17217985

素因数分解:

$5^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{271}}^1$

素因数の和:504

約数の個数: 16

約数和(自身を含む): 21111552

約数和(自身を除く): 3893567

約数列:

[1, 5, 97, 131, 271, 485, 655, 1355, 12707, 26287, 35501, 63535, 131435, 177505, 3443597, 17217985]

約数ペア:

[(1, 17217985), (5, 3443597), (97, 177505), (131, 131435), (271, 63535), (485, 35501), (655, 26287), (1355, 12707)]