644332144

素因数分解:

$2^4\times {\mathrm{4493}}^1\times {\mathrm{8963}}^1$

素因数の和:13464

約数の個数: 20

約数和(自身を含む): 1248810696

約数和(自身を除く): 604478552

約数列:

[1, 2, 4, 8, 16, 4493, 8963, 8986, 17926, 17972, 35852, 35944, 71704, 71888, 143408, 40270759, 80541518, 161083036, 322166072, 644332144]

約数ペア:

[(1, 644332144), (2, 322166072), (4, 161083036), (8, 80541518), (16, 40270759), (4493, 143408), (8963, 71888), (8986, 71704), (17926, 35944), (17972, 35852)]