291209290

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{74861}}^1$

素因数の和:75257

約数の個数: 16

約数和(自身を含む): 525531240

約数和(自身を除く): 234321950

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 74861, 149722, 374305, 748610, 29120929, 58241858, 145604645, 291209290]

約数ペア:

[(1, 291209290), (2, 145604645), (5, 58241858), (10, 29120929), (389, 748610), (778, 374305), (1945, 149722), (3890, 74861)]