86640038

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{20177}}^1$

素因数の和:20311

約数の個数: 16

約数和(自身を含む): 138017520

約数和(自身を除く): 51377482

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 20177, 40354, 383363, 766726, 2280001, 4560002, 43320019, 86640038]

約数ペア:

[(1, 86640038), (2, 43320019), (19, 4560002), (38, 2280001), (113, 766726), (226, 383363), (2147, 40354), (4294, 20177)]