80337296

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{386237}}^1$

素因数の和:386258

約数の個数: 20

約数和(自身を含む): 167627292

約数和(自身を除く): 87289996

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 386237, 772474, 1544948, 3089896, 5021081, 6179792, 10042162, 20084324, 40168648, 80337296]

約数ペア:

[(1, 80337296), (2, 40168648), (4, 20084324), (8, 10042162), (13, 6179792), (16, 5021081), (26, 3089896), (52, 1544948), (104, 772474), (208, 386237)]