413601968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1988471}}^1$

素因数の和:1988492

約数の個数: 20

約数和(自身を含む): 862996848

約数和(自身を除く): 449394880

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1988471, 3976942, 7953884, 15907768, 25850123, 31815536, 51700246, 103400492, 206800984, 413601968]

約数ペア:

[(1, 413601968), (2, 206800984), (4, 103400492), (8, 51700246), (13, 31815536), (16, 25850123), (26, 15907768), (52, 7953884), (104, 3976942), (208, 1988471)]