40638017

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{5009}}^1$

素因数の和:5096

約数の個数: 16

約数和(自身を含む): 49699200

約数和(自身を除く): 9061183

約数列:

[1, 7, 19, 61, 133, 427, 1159, 5009, 8113, 35063, 95171, 305549, 666197, 2138843, 5805431, 40638017]

約数ペア:

[(1, 40638017), (7, 5805431), (19, 2138843), (61, 666197), (133, 305549), (427, 95171), (1159, 35063), (5009, 8113)]