818911872

素因数分解:

$2^7\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{997}}^1$

素因数の和:1071

約数の個数: 192

約数和(自身を含む): 2540828160

約数和(自身を除く): 1721916288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 31, 32, 36, 46, 48, 62, 64, 69, 72, 92, 93, 96, 124, 128, 138, 144, 184, 186, 192, 207, 248, 276, 279, 288, 368, 372, 384, 414, 496, 552, 558, 576, 713, 736, 744, 828, 992, 997, 1104, 1116, 1152, 1426, 1472, 1488, 1656, 1984, 1994, 2139, 2208, 2232, 2852, 2944, 2976, 2991, 3312, 3968, 3988, 4278, 4416, 4464, 5704, 5952, 5982, 6417, 6624, 7976, 8556, 8832, 8928, 8973, 11408, 11904, 11964, 12834, 13248, 15952, 17112, 17856, 17946, 22816, 22931, 23928, 25668, 26496, 30907, 31904, 34224, 35712, 35892, 45632, 45862, 47856, 51336, 61814, 63808, 68448, 68793, 71784, 91264, 91724, 92721, 95712, 102672, 123628, 127616, 136896, 137586, 143568, 183448, 185442, 191424, 205344, 206379, 247256, 273792, 275172, 278163, 287136, 366896, 370884, 382848, 410688, 412758, 494512, 550344, 556326, 574272, 710861, 733792, 741768, 821376, 825516, 989024, 1100688, 1112652, 1148544, 1421722, 1467584, 1483536, 1651032, 1978048, 2132583, 2201376, 2225304, 2843444, 2935168, 2967072, 3302064, 3956096, 4265166, 4402752, 4450608, 5686888, 5934144, 6397749, 6604128, 8530332, 8805504, 8901216, 11373776, 11868288, 12795498, 13208256, 17060664, 17802432, 22747552, 25590996, 26416512, 34121328, 35604864, 45495104, 51181992, 68242656, 90990208, 102363984, 136485312, 204727968, 272970624, 409455936, 818911872]

約数ペア:

[(1, 818911872), (2, 409455936), (3, 272970624), (4, 204727968), (6, 136485312), (8, 102363984), (9, 90990208), (12, 68242656), (16, 51181992), (18, 45495104), (23, 35604864), (24, 34121328), (31, 26416512), (32, 25590996), (36, 22747552), (46, 17802432), (48, 17060664), (62, 13208256), (64, 12795498), (69, 11868288), (72, 11373776), (92, 8901216), (93, 8805504), (96, 8530332), (124, 6604128), (128, 6397749), (138, 5934144), (144, 5686888), (184, 4450608), (186, 4402752), (192, 4265166), (207, 3956096), (248, 3302064), (276, 2967072), (279, 2935168), (288, 2843444), (368, 2225304), (372, 2201376), (384, 2132583), (414, 1978048), (496, 1651032), (552, 1483536), (558, 1467584), (576, 1421722), (713, 1148544), (736, 1112652), (744, 1100688), (828, 989024), (992, 825516), (997, 821376), (1104, 741768), (1116, 733792), (1152, 710861), (1426, 574272), (1472, 556326), (1488, 550344), (1656, 494512), (1984, 412758), (1994, 410688), (2139, 382848), (2208, 370884), (2232, 366896), (2852, 287136), (2944, 278163), (2976, 275172), (2991, 273792), (3312, 247256), (3968, 206379), (3988, 205344), (4278, 191424), (4416, 185442), (4464, 183448), (5704, 143568), (5952, 137586), (5982, 136896), (6417, 127616), (6624, 123628), (7976, 102672), (8556, 95712), (8832, 92721), (8928, 91724), (8973, 91264), (11408, 71784), (11904, 68793), (11964, 68448), (12834, 63808), (13248, 61814), (15952, 51336), (17112, 47856), (17856, 45862), (17946, 45632), (22816, 35892), (22931, 35712), (23928, 34224), (25668, 31904), (26496, 30907)]