128560518

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{54521}}^1$

素因数の和:54660

約数の個数: 24

約数和(自身を含む): 280679256

約数和(自身を除く): 152118738

約数列:

[1, 2, 3, 6, 9, 18, 131, 262, 393, 786, 1179, 2358, 54521, 109042, 163563, 327126, 490689, 981378, 7142251, 14284502, 21426753, 42853506, 64280259, 128560518]

約数ペア:

[(1, 128560518), (2, 64280259), (3, 42853506), (6, 21426753), (9, 14284502), (18, 7142251), (131, 981378), (262, 490689), (393, 327126), (786, 163563), (1179, 109042), (2358, 54521)]