208889344

素因数分解:

$2^9\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{197}}^1$

素因数の和:343

約数の個数: 80

約数和(自身を含む): 445618800

約数和(自身を除く): 236729456

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 109, 128, 152, 197, 218, 256, 304, 394, 436, 512, 608, 788, 872, 1216, 1576, 1744, 2071, 2432, 3152, 3488, 3743, 4142, 4864, 6304, 6976, 7486, 8284, 9728, 12608, 13952, 14972, 16568, 21473, 25216, 27904, 29944, 33136, 42946, 50432, 55808, 59888, 66272, 85892, 100864, 119776, 132544, 171784, 239552, 265088, 343568, 407987, 479104, 530176, 687136, 815974, 958208, 1060352, 1374272, 1631948, 1916416, 2748544, 3263896, 5497088, 6527792, 10994176, 13055584, 26111168, 52222336, 104444672, 208889344]

約数ペア:

[(1, 208889344), (2, 104444672), (4, 52222336), (8, 26111168), (16, 13055584), (19, 10994176), (32, 6527792), (38, 5497088), (64, 3263896), (76, 2748544), (109, 1916416), (128, 1631948), (152, 1374272), (197, 1060352), (218, 958208), (256, 815974), (304, 687136), (394, 530176), (436, 479104), (512, 407987), (608, 343568), (788, 265088), (872, 239552), (1216, 171784), (1576, 132544), (1744, 119776), (2071, 100864), (2432, 85892), (3152, 66272), (3488, 59888), (3743, 55808), (4142, 50432), (4864, 42946), (6304, 33136), (6976, 29944), (7486, 27904), (8284, 25216), (9728, 21473), (12608, 16568), (13952, 14972)]