1213977856

素因数分解:

$2^8\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^2$

素因数の和:149

約数の個数: 216

約数和(自身を含む): 3155543552

約数和(自身を除く): 1941565696

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 41, 52, 56, 62, 64, 82, 91, 104, 112, 124, 128, 164, 182, 208, 217, 224, 248, 256, 287, 328, 364, 403, 416, 434, 448, 496, 533, 574, 656, 728, 806, 832, 868, 896, 992, 1066, 1148, 1271, 1312, 1456, 1612, 1664, 1681, 1736, 1792, 1984, 2132, 2296, 2542, 2624, 2821, 2912, 3224, 3328, 3362, 3472, 3731, 3968, 4264, 4592, 5084, 5248, 5642, 5824, 6448, 6724, 6944, 7462, 7936, 8528, 8897, 9184, 10168, 10496, 11284, 11648, 11767, 12896, 13448, 13888, 14924, 16523, 17056, 17794, 18368, 20336, 21853, 22568, 23296, 23534, 25792, 26896, 27776, 29848, 33046, 34112, 35588, 36736, 40672, 43706, 45136, 47068, 51584, 52111, 53792, 55552, 59696, 66092, 68224, 71176, 73472, 81344, 87412, 90272, 94136, 103168, 104222, 107584, 115661, 119392, 132184, 136448, 142352, 152971, 162688, 174824, 180544, 188272, 208444, 215168, 231322, 238784, 264368, 284704, 305942, 325376, 349648, 361088, 364777, 376544, 416888, 430336, 462644, 477568, 528736, 569408, 611884, 677443, 699296, 722176, 729554, 753088, 833776, 925288, 955136, 1057472, 1138816, 1223768, 1354886, 1398592, 1459108, 1506176, 1667552, 1850576, 2114944, 2277632, 2447536, 2709772, 2797184, 2918216, 3012352, 3335104, 3701152, 4229888, 4742101, 4895072, 5419544, 5594368, 5836432, 6670208, 7402304, 9484202, 9790144, 10839088, 11672864, 13340416, 14804608, 18968404, 19580288, 21678176, 23345728, 29609216, 37936808, 39160576, 43356352, 46691456, 75873616, 86712704, 93382912, 151747232, 173425408, 303494464, 606988928, 1213977856]

約数ペア:

[(1, 1213977856), (2, 606988928), (4, 303494464), (7, 173425408), (8, 151747232), (13, 93382912), (14, 86712704), (16, 75873616), (26, 46691456), (28, 43356352), (31, 39160576), (32, 37936808), (41, 29609216), (52, 23345728), (56, 21678176), (62, 19580288), (64, 18968404), (82, 14804608), (91, 13340416), (104, 11672864), (112, 10839088), (124, 9790144), (128, 9484202), (164, 7402304), (182, 6670208), (208, 5836432), (217, 5594368), (224, 5419544), (248, 4895072), (256, 4742101), (287, 4229888), (328, 3701152), (364, 3335104), (403, 3012352), (416, 2918216), (434, 2797184), (448, 2709772), (496, 2447536), (533, 2277632), (574, 2114944), (656, 1850576), (728, 1667552), (806, 1506176), (832, 1459108), (868, 1398592), (896, 1354886), (992, 1223768), (1066, 1138816), (1148, 1057472), (1271, 955136), (1312, 925288), (1456, 833776), (1612, 753088), (1664, 729554), (1681, 722176), (1736, 699296), (1792, 677443), (1984, 611884), (2132, 569408), (2296, 528736), (2542, 477568), (2624, 462644), (2821, 430336), (2912, 416888), (3224, 376544), (3328, 364777), (3362, 361088), (3472, 349648), (3731, 325376), (3968, 305942), (4264, 284704), (4592, 264368), (5084, 238784), (5248, 231322), (5642, 215168), (5824, 208444), (6448, 188272), (6724, 180544), (6944, 174824), (7462, 162688), (7936, 152971), (8528, 142352), (8897, 136448), (9184, 132184), (10168, 119392), (10496, 115661), (11284, 107584), (11648, 104222), (11767, 103168), (12896, 94136), (13448, 90272), (13888, 87412), (14924, 81344), (16523, 73472), (17056, 71176), (17794, 68224), (18368, 66092), (20336, 59696), (21853, 55552), (22568, 53792), (23296, 52111), (23534, 51584), (25792, 47068), (26896, 45136), (27776, 43706), (29848, 40672), (33046, 36736), (34112, 35588)]