131717828

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{21851}}^1$

素因数の和:22003

約数の個数: 24

約数和(自身を含む): 253308384

約数和(自身を除く): 121590556

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 6028, 21851, 43702, 87404, 240361, 480722, 961444, 2993587, 5987174, 11974348, 32929457, 65858914, 131717828]

約数ペア:

[(1, 131717828), (2, 65858914), (4, 32929457), (11, 11974348), (22, 5987174), (44, 2993587), (137, 961444), (274, 480722), (548, 240361), (1507, 87404), (3014, 43702), (6028, 21851)]