201951490

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{557}}^1\times {\mathrm{2789}}^1$

素因数の和:3366

約数の個数: 32

約数和(自身を含む): 392318640

約数和(自身を除く): 190367150

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 557, 1114, 2785, 2789, 5570, 5578, 7241, 13945, 14482, 27890, 36205, 36257, 72410, 72514, 181285, 362570, 1553473, 3106946, 7767365, 15534730, 20195149, 40390298, 100975745, 201951490]

約数ペア:

[(1, 201951490), (2, 100975745), (5, 40390298), (10, 20195149), (13, 15534730), (26, 7767365), (65, 3106946), (130, 1553473), (557, 362570), (1114, 181285), (2785, 72514), (2789, 72410), (5570, 36257), (5578, 36205), (7241, 27890), (13945, 14482)]