1313380

素因数分解:

$2^2\times 5^1\times {\mathrm{97}}^1\times {\mathrm{677}}^1$

素因数の和:783

約数の個数: 24

約数和(自身を含む): 2790648

約数和(自身を除く): 1477268

約数列:

[1, 2, 4, 5, 10, 20, 97, 194, 388, 485, 677, 970, 1354, 1940, 2708, 3385, 6770, 13540, 65669, 131338, 262676, 328345, 656690, 1313380]

約数ペア:

[(1, 1313380), (2, 656690), (4, 328345), (5, 262676), (10, 131338), (20, 65669), (97, 13540), (194, 6770), (388, 3385), (485, 2708), (677, 1940), (970, 1354)]