64221388

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{208511}}^1$

素因数の和:208533

約数の個数: 24

約数和(自身を含む): 140120064

約数和(自身を除く): 75898676

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 208511, 417022, 834044, 1459577, 2293621, 2919154, 4587242, 5838308, 9174484, 16055347, 32110694, 64221388]

約数ペア:

[(1, 64221388), (2, 32110694), (4, 16055347), (7, 9174484), (11, 5838308), (14, 4587242), (22, 2919154), (28, 2293621), (44, 1459577), (77, 834044), (154, 417022), (308, 208511)]