31423872

素因数分解:

$2^7\times 3^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 90576000

約数和(自身を除く): 59152128

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 32, 38, 48, 57, 59, 64, 73, 76, 96, 114, 118, 128, 146, 152, 177, 192, 219, 228, 236, 292, 304, 354, 384, 438, 456, 472, 584, 608, 708, 876, 912, 944, 1121, 1168, 1216, 1387, 1416, 1752, 1824, 1888, 2242, 2336, 2432, 2774, 2832, 3363, 3504, 3648, 3776, 4161, 4307, 4484, 4672, 5548, 5664, 6726, 7008, 7296, 7552, 8322, 8614, 8968, 9344, 11096, 11328, 12921, 13452, 14016, 16644, 17228, 17936, 22192, 22656, 25842, 26904, 28032, 33288, 34456, 35872, 44384, 51684, 53808, 66576, 68912, 71744, 81833, 88768, 103368, 107616, 133152, 137824, 143488, 163666, 177536, 206736, 215232, 245499, 266304, 275648, 327332, 413472, 430464, 490998, 532608, 551296, 654664, 826944, 981996, 1309328, 1653888, 1963992, 2618656, 3927984, 5237312, 7855968, 10474624, 15711936, 31423872]

約数ペア:

[(1, 31423872), (2, 15711936), (3, 10474624), (4, 7855968), (6, 5237312), (8, 3927984), (12, 2618656), (16, 1963992), (19, 1653888), (24, 1309328), (32, 981996), (38, 826944), (48, 654664), (57, 551296), (59, 532608), (64, 490998), (73, 430464), (76, 413472), (96, 327332), (114, 275648), (118, 266304), (128, 245499), (146, 215232), (152, 206736), (177, 177536), (192, 163666), (219, 143488), (228, 137824), (236, 133152), (292, 107616), (304, 103368), (354, 88768), (384, 81833), (438, 71744), (456, 68912), (472, 66576), (584, 53808), (608, 51684), (708, 44384), (876, 35872), (912, 34456), (944, 33288), (1121, 28032), (1168, 26904), (1216, 25842), (1387, 22656), (1416, 22192), (1752, 17936), (1824, 17228), (1888, 16644), (2242, 14016), (2336, 13452), (2432, 12921), (2774, 11328), (2832, 11096), (3363, 9344), (3504, 8968), (3648, 8614), (3776, 8322), (4161, 7552), (4307, 7296), (4484, 7008), (4672, 6726), (5548, 5664)]