63641968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{305971}}^1$

素因数の和:305992

約数の個数: 20

約数和(自身を含む): 132791848

約数和(自身を除く): 69149880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 305971, 611942, 1223884, 2447768, 3977623, 4895536, 7955246, 15910492, 31820984, 63641968]

約数ペア:

[(1, 63641968), (2, 31820984), (4, 15910492), (8, 7955246), (13, 4895536), (16, 3977623), (26, 2447768), (52, 1223884), (104, 611942), (208, 305971)]