209509630

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{65677}}^1$

素因数の和:65724

約数の個数: 32

約数和(自身を含む): 425593440

約数和(自身を除く): 216083810

約数列:

[1, 2, 5, 10, 11, 22, 29, 55, 58, 110, 145, 290, 319, 638, 1595, 3190, 65677, 131354, 328385, 656770, 722447, 1444894, 1904633, 3612235, 3809266, 7224470, 9523165, 19046330, 20950963, 41901926, 104754815, 209509630]

約数ペア:

[(1, 209509630), (2, 104754815), (5, 41901926), (10, 20950963), (11, 19046330), (22, 9523165), (29, 7224470), (55, 3809266), (58, 3612235), (110, 1904633), (145, 1444894), (290, 722447), (319, 656770), (638, 328385), (1595, 131354), (3190, 65677)]