664792028

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{881}}^1\times {\mathrm{2657}}^1$

素因数の和:3613

約数の個数: 24

約数和(自身を含む): 1181555424

約数和(自身を除く): 516763396

約数列:

[1, 2, 4, 71, 142, 284, 881, 1762, 2657, 3524, 5314, 10628, 62551, 125102, 188647, 250204, 377294, 754588, 2340817, 4681634, 9363268, 166198007, 332396014, 664792028]

約数ペア:

[(1, 664792028), (2, 332396014), (4, 166198007), (71, 9363268), (142, 4681634), (284, 2340817), (881, 754588), (1762, 377294), (2657, 250204), (3524, 188647), (5314, 125102), (10628, 62551)]