128575727

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{7907}}^1$

素因数の和:8038

約数の個数: 16

約数和(自身を含む): 154870272

約数和(自身を除く): 26294545

約数列:

[1, 7, 23, 101, 161, 707, 2323, 7907, 16261, 55349, 181861, 798607, 1273027, 5590249, 18367961, 128575727]

約数ペア:

[(1, 128575727), (7, 18367961), (23, 5590249), (101, 1273027), (161, 798607), (707, 181861), (2323, 55349), (7907, 16261)]