1656609968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{7964471}}^1$

素因数の和:7964492

約数の個数: 20

約数和(自身を含む): 3456580848

約数和(自身を除く): 1799970880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 7964471, 15928942, 31857884, 63715768, 103538123, 127431536, 207076246, 414152492, 828304984, 1656609968]

約数ペア:

[(1, 1656609968), (2, 828304984), (4, 414152492), (8, 207076246), (13, 127431536), (16, 103538123), (26, 63715768), (52, 31857884), (104, 15928942), (208, 7964471)]