638459136

素因数分解:

$2^8\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1277}}^1$

素因数の和:1337

約数の個数: 216

約数和(自身を含む): 2173377024

約数和(自身を除く): 1534917888

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 31, 32, 36, 42, 48, 56, 62, 63, 64, 72, 84, 93, 96, 112, 124, 126, 128, 144, 168, 186, 192, 217, 224, 248, 252, 256, 279, 288, 336, 372, 384, 434, 448, 496, 504, 558, 576, 651, 672, 744, 768, 868, 896, 992, 1008, 1116, 1152, 1277, 1302, 1344, 1488, 1736, 1792, 1953, 1984, 2016, 2232, 2304, 2554, 2604, 2688, 2976, 3472, 3831, 3906, 3968, 4032, 4464, 5108, 5208, 5376, 5952, 6944, 7662, 7812, 7936, 8064, 8928, 8939, 10216, 10416, 11493, 11904, 13888, 15324, 15624, 16128, 17856, 17878, 20432, 20832, 22986, 23808, 26817, 27776, 30648, 31248, 35712, 35756, 39587, 40864, 41664, 45972, 53634, 55552, 61296, 62496, 71424, 71512, 79174, 80451, 81728, 83328, 91944, 107268, 118761, 122592, 124992, 143024, 158348, 160902, 163456, 166656, 183888, 214536, 237522, 245184, 249984, 277109, 286048, 316696, 321804, 326912, 356283, 367776, 429072, 475044, 490368, 499968, 554218, 572096, 633392, 643608, 712566, 735552, 831327, 858144, 950088, 980736, 1108436, 1144192, 1266784, 1287216, 1425132, 1471104, 1662654, 1716288, 1900176, 2216872, 2288384, 2493981, 2533568, 2574432, 2850264, 2942208, 3325308, 3432576, 3800352, 4433744, 4987962, 5067136, 5148864, 5700528, 6650616, 6865152, 7600704, 8867488, 9975924, 10134272, 10297728, 11401056, 13301232, 15201408, 17734976, 19951848, 20595456, 22802112, 26602464, 30402816, 35469952, 39903696, 45604224, 53204928, 70939904, 79807392, 91208448, 106409856, 159614784, 212819712, 319229568, 638459136]

約数ペア:

[(1, 638459136), (2, 319229568), (3, 212819712), (4, 159614784), (6, 106409856), (7, 91208448), (8, 79807392), (9, 70939904), (12, 53204928), (14, 45604224), (16, 39903696), (18, 35469952), (21, 30402816), (24, 26602464), (28, 22802112), (31, 20595456), (32, 19951848), (36, 17734976), (42, 15201408), (48, 13301232), (56, 11401056), (62, 10297728), (63, 10134272), (64, 9975924), (72, 8867488), (84, 7600704), (93, 6865152), (96, 6650616), (112, 5700528), (124, 5148864), (126, 5067136), (128, 4987962), (144, 4433744), (168, 3800352), (186, 3432576), (192, 3325308), (217, 2942208), (224, 2850264), (248, 2574432), (252, 2533568), (256, 2493981), (279, 2288384), (288, 2216872), (336, 1900176), (372, 1716288), (384, 1662654), (434, 1471104), (448, 1425132), (496, 1287216), (504, 1266784), (558, 1144192), (576, 1108436), (651, 980736), (672, 950088), (744, 858144), (768, 831327), (868, 735552), (896, 712566), (992, 643608), (1008, 633392), (1116, 572096), (1152, 554218), (1277, 499968), (1302, 490368), (1344, 475044), (1488, 429072), (1736, 367776), (1792, 356283), (1953, 326912), (1984, 321804), (2016, 316696), (2232, 286048), (2304, 277109), (2554, 249984), (2604, 245184), (2688, 237522), (2976, 214536), (3472, 183888), (3831, 166656), (3906, 163456), (3968, 160902), (4032, 158348), (4464, 143024), (5108, 124992), (5208, 122592), (5376, 118761), (5952, 107268), (6944, 91944), (7662, 83328), (7812, 81728), (7936, 80451), (8064, 79174), (8928, 71512), (8939, 71424), (10216, 62496), (10416, 61296), (11493, 55552), (11904, 53634), (13888, 45972), (15324, 41664), (15624, 40864), (16128, 39587), (17856, 35756), (17878, 35712), (20432, 31248), (20832, 30648), (22986, 27776), (23808, 26817)]