68911109

素因数分解:

${\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:472

約数の個数: 16

約数和(自身を含む): 72990720

約数和(自身を除く): 4079611

約数列:

[1, 31, 71, 131, 239, 2201, 4061, 7409, 9301, 16969, 31309, 288331, 526039, 970579, 2222939, 68911109]

約数ペア:

[(1, 68911109), (31, 2222939), (71, 970579), (131, 526039), (239, 288331), (2201, 31309), (4061, 16969), (7409, 9301)]