217974901

素因数分解:

${\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{1129}}^1$

素因数の和:1464

約数の個数: 16

約数和(自身を含む): 237489840

約数和(自身を除く): 19514939

約数列:

[1, 17, 41, 277, 697, 1129, 4709, 11357, 19193, 46289, 193069, 312733, 786913, 5316461, 12822053, 217974901]

約数ペア:

[(1, 217974901), (17, 12822053), (41, 5316461), (277, 786913), (697, 312733), (1129, 193069), (4709, 46289), (11357, 19193)]