257389616

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{211}}^1\times {\mathrm{239}}^1$

素因数の和:498

約数の個数: 80

約数和(自身を含む): 567820800

約数和(自身を除く): 310431184

約数列:

[1, 2, 4, 8, 11, 16, 22, 29, 44, 58, 88, 116, 176, 211, 232, 239, 319, 422, 464, 478, 638, 844, 956, 1276, 1688, 1912, 2321, 2552, 2629, 3376, 3824, 4642, 5104, 5258, 6119, 6931, 9284, 10516, 12238, 13862, 18568, 21032, 24476, 27724, 37136, 42064, 48952, 50429, 55448, 67309, 76241, 97904, 100858, 110896, 134618, 152482, 201716, 269236, 304964, 403432, 538472, 554719, 609928, 806864, 1076944, 1109438, 1219856, 1462441, 2218876, 2924882, 4437752, 5849764, 8875504, 11699528, 16086851, 23399056, 32173702, 64347404, 128694808, 257389616]

約数ペア:

[(1, 257389616), (2, 128694808), (4, 64347404), (8, 32173702), (11, 23399056), (16, 16086851), (22, 11699528), (29, 8875504), (44, 5849764), (58, 4437752), (88, 2924882), (116, 2218876), (176, 1462441), (211, 1219856), (232, 1109438), (239, 1076944), (319, 806864), (422, 609928), (464, 554719), (478, 538472), (638, 403432), (844, 304964), (956, 269236), (1276, 201716), (1688, 152482), (1912, 134618), (2321, 110896), (2552, 100858), (2629, 97904), (3376, 76241), (3824, 67309), (4642, 55448), (5104, 50429), (5258, 48952), (6119, 42064), (6931, 37136), (9284, 27724), (10516, 24476), (12238, 21032), (13862, 18568)]