3994760848

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19205581}}^1$

素因数の和:19205602

約数の個数: 20

約数和(自身を含む): 8335222588

約数和(自身を除く): 4340461740

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 19205581, 38411162, 76822324, 153644648, 249672553, 307289296, 499345106, 998690212, 1997380424, 3994760848]

約数ペア:

[(1, 3994760848), (2, 1997380424), (4, 998690212), (8, 499345106), (13, 307289296), (16, 249672553), (26, 153644648), (52, 76822324), (104, 38411162), (208, 19205581)]