261158686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{28517}}^1$

素因数の和:28779

約数の個数: 16

約数和(自身を含む): 414081360

約数和(自身を除く): 152922674

約数列:

[1, 2, 19, 38, 241, 482, 4579, 9158, 28517, 57034, 541823, 1083646, 6872597, 13745194, 130579343, 261158686]

約数ペア:

[(1, 261158686), (2, 130579343), (19, 13745194), (38, 6872597), (241, 1083646), (482, 541823), (4579, 57034), (9158, 28517)]