16521205

素因数分解:

$5^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:588

約数の個数: 16

約数和(自身を含む): 20401920

約数和(自身を除く): 3880715

約数列:

[1, 5, 47, 229, 235, 307, 1145, 1535, 10763, 14429, 53815, 70303, 72145, 351515, 3304241, 16521205]

約数ペア:

[(1, 16521205), (5, 3304241), (47, 351515), (229, 72145), (235, 70303), (307, 53815), (1145, 14429), (1535, 10763)]