642401604

素因数分解:

$2^2\times 3^5\times {\mathrm{13}}^1\times {\mathrm{50839}}^1$

素因数の和:50871

約数の個数: 72

約数和(自身を含む): 1813564480

約数和(自身を除く): 1171162876

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 81, 108, 117, 156, 162, 234, 243, 324, 351, 468, 486, 702, 972, 1053, 1404, 2106, 3159, 4212, 6318, 12636, 50839, 101678, 152517, 203356, 305034, 457551, 610068, 660907, 915102, 1321814, 1372653, 1830204, 1982721, 2643628, 2745306, 3965442, 4117959, 5490612, 5948163, 7930884, 8235918, 11896326, 12353877, 16471836, 17844489, 23792652, 24707754, 35688978, 49415508, 53533467, 71377956, 107066934, 160600401, 214133868, 321200802, 642401604]

約数ペア:

[(1, 642401604), (2, 321200802), (3, 214133868), (4, 160600401), (6, 107066934), (9, 71377956), (12, 53533467), (13, 49415508), (18, 35688978), (26, 24707754), (27, 23792652), (36, 17844489), (39, 16471836), (52, 12353877), (54, 11896326), (78, 8235918), (81, 7930884), (108, 5948163), (117, 5490612), (156, 4117959), (162, 3965442), (234, 2745306), (243, 2643628), (324, 1982721), (351, 1830204), (468, 1372653), (486, 1321814), (702, 915102), (972, 660907), (1053, 610068), (1404, 457551), (2106, 305034), (3159, 203356), (4212, 152517), (6318, 101678), (12636, 50839)]