128949704

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{751}}^1$

素因数の和:910

約数の個数: 48

約数和(自身を含む): 264222720

約数和(自身を除く): 135273016

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 169, 254, 338, 508, 676, 751, 1016, 1352, 1502, 1651, 3004, 3302, 6008, 6604, 9763, 13208, 19526, 21463, 39052, 42926, 78104, 85852, 95377, 126919, 171704, 190754, 253838, 381508, 507676, 763016, 1015352, 1239901, 2479802, 4959604, 9919208, 16118713, 32237426, 64474852, 128949704]

約数ペア:

[(1, 128949704), (2, 64474852), (4, 32237426), (8, 16118713), (13, 9919208), (26, 4959604), (52, 2479802), (104, 1239901), (127, 1015352), (169, 763016), (254, 507676), (338, 381508), (508, 253838), (676, 190754), (751, 171704), (1016, 126919), (1352, 95377), (1502, 85852), (1651, 78104), (3004, 42926), (3302, 39052), (6008, 21463), (6604, 19526), (9763, 13208)]