15905968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{76471}}^1$

素因数の和:76492

約数の個数: 20

約数和(自身を含む): 33188848

約数和(自身を除く): 17282880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 76471, 152942, 305884, 611768, 994123, 1223536, 1988246, 3976492, 7952984, 15905968]

約数ペア:

[(1, 15905968), (2, 7952984), (4, 3976492), (8, 1988246), (13, 1223536), (16, 994123), (26, 611768), (52, 305884), (104, 152942), (208, 76471)]