189780916

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{5297}}^1$

素因数の和:5380

約数の個数: 36

約数和(自身を含む): 366483852

約数和(自身を除く): 176702936

約数列:

[1, 2, 4, 13, 26, 52, 53, 106, 169, 212, 338, 676, 689, 1378, 2756, 5297, 8957, 10594, 17914, 21188, 35828, 68861, 137722, 275444, 280741, 561482, 895193, 1122964, 1790386, 3580772, 3649633, 7299266, 14598532, 47445229, 94890458, 189780916]

約数ペア:

[(1, 189780916), (2, 94890458), (4, 47445229), (13, 14598532), (26, 7299266), (52, 3649633), (53, 3580772), (106, 1790386), (169, 1122964), (212, 895193), (338, 561482), (676, 280741), (689, 275444), (1378, 137722), (2756, 68861), (5297, 35828), (8957, 21188), (10594, 17914)]