81071494

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{23071}}^1$

素因数の和:23331

約数の個数: 16

約数和(自身を含む): 139539456

約数和(自身を除く): 58467962

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 23071, 46142, 161497, 322994, 5790821, 11581642, 40535747, 81071494]

約数ペア:

[(1, 81071494), (2, 40535747), (7, 11581642), (14, 5790821), (251, 322994), (502, 161497), (1757, 46142), (3514, 23071)]