664702

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:255

約数の個数: 16

約数和(自身を含む): 1050624

約数和(自身を除く): 385922

約数列:

[1, 2, 31, 62, 71, 142, 151, 302, 2201, 4402, 4681, 9362, 10721, 21442, 332351, 664702]

約数ペア:

[(1, 664702), (2, 332351), (31, 21442), (62, 10721), (71, 9362), (142, 4681), (151, 4402), (302, 2201)]