321698416

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1546627}}^1$

素因数の和:1546648

約数の個数: 20

約数和(自身を含む): 671236552

約数和(自身を除く): 349538136

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1546627, 3093254, 6186508, 12373016, 20106151, 24746032, 40212302, 80424604, 160849208, 321698416]

約数ペア:

[(1, 321698416), (2, 160849208), (4, 80424604), (8, 40212302), (13, 24746032), (16, 20106151), (26, 12373016), (52, 6186508), (104, 3093254), (208, 1546627)]