40009318

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1\times {\mathrm{2351}}^1$

素因数の和:2547

約数の個数: 16

約数和(自身を含む): 61415424

約数和(自身を除く): 21406106

約数列:

[1, 2, 67, 127, 134, 254, 2351, 4702, 8509, 17018, 157517, 298577, 315034, 597154, 20004659, 40009318]

約数ペア:

[(1, 40009318), (2, 20004659), (67, 597154), (127, 315034), (134, 298577), (254, 157517), (2351, 17018), (4702, 8509)]