131405938

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{22901}}^1$

素因数の和:23073

約数の個数: 16

約数和(自身を含む): 208866240

約数和(自身を除く): 77460302

約数列:

[1, 2, 19, 38, 151, 302, 2869, 5738, 22901, 45802, 435119, 870238, 3458051, 6916102, 65702969, 131405938]

約数ペア:

[(1, 131405938), (2, 65702969), (19, 6916102), (38, 3458051), (151, 870238), (302, 435119), (2869, 45802), (5738, 22901)]