251171024

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{97}}^1\times {\mathrm{211}}^1$

素因数の和:388

約数の個数: 80

約数和(自身を含む): 541007040

約数和(自身を除く): 289836016

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 59, 97, 104, 118, 194, 208, 211, 236, 388, 422, 472, 767, 776, 844, 944, 1261, 1534, 1552, 1688, 2522, 2743, 3068, 3376, 5044, 5486, 5723, 6136, 10088, 10972, 11446, 12272, 12449, 20176, 20467, 21944, 22892, 24898, 40934, 43888, 45784, 49796, 74399, 81868, 91568, 99592, 148798, 161837, 163736, 199184, 266071, 297596, 323674, 327472, 532142, 595192, 647348, 1064284, 1190384, 1207553, 1294696, 2128568, 2415106, 2589392, 4257136, 4830212, 9660424, 15698189, 19320848, 31396378, 62792756, 125585512, 251171024]

約数ペア:

[(1, 251171024), (2, 125585512), (4, 62792756), (8, 31396378), (13, 19320848), (16, 15698189), (26, 9660424), (52, 4830212), (59, 4257136), (97, 2589392), (104, 2415106), (118, 2128568), (194, 1294696), (208, 1207553), (211, 1190384), (236, 1064284), (388, 647348), (422, 595192), (472, 532142), (767, 327472), (776, 323674), (844, 297596), (944, 266071), (1261, 199184), (1534, 163736), (1552, 161837), (1688, 148798), (2522, 99592), (2743, 91568), (3068, 81868), (3376, 74399), (5044, 49796), (5486, 45784), (5723, 43888), (6136, 40934), (10088, 24898), (10972, 22892), (11446, 21944), (12272, 20467), (12449, 20176)]