20170522

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{1237}}^1$

素因数の和:1533

約数の個数: 16

約数和(自身を含む): 31375872

約数和(自身を除く): 11205350

約数列:

[1, 2, 31, 62, 263, 526, 1237, 2474, 8153, 16306, 38347, 76694, 325331, 650662, 10085261, 20170522]

約数ペア:

[(1, 20170522), (2, 10085261), (31, 650662), (62, 325331), (263, 76694), (526, 38347), (1237, 16306), (2474, 8153)]