398082152

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{72221}}^1$

素因数の和:72293

約数の個数: 32

約数和(自身を含む): 818997480

約数和(自身を除く): 420915328

約数列:

[1, 2, 4, 8, 13, 26, 52, 53, 104, 106, 212, 424, 689, 1378, 2756, 5512, 72221, 144442, 288884, 577768, 938873, 1877746, 3755492, 3827713, 7510984, 7655426, 15310852, 30621704, 49760269, 99520538, 199041076, 398082152]

約数ペア:

[(1, 398082152), (2, 199041076), (4, 99520538), (8, 49760269), (13, 30621704), (26, 15310852), (52, 7655426), (53, 7510984), (104, 3827713), (106, 3755492), (212, 1877746), (424, 938873), (689, 577768), (1378, 288884), (2756, 144442), (5512, 72221)]