7239290

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{1861}}^1$

素因数の和:2257

約数の個数: 16

約数和(自身を含む): 13071240

約数和(自身を除く): 5831950

約数列:

[1, 2, 5, 10, 389, 778, 1861, 1945, 3722, 3890, 9305, 18610, 723929, 1447858, 3619645, 7239290]

約数ペア:

[(1, 7239290), (2, 3619645), (5, 1447858), (10, 723929), (389, 18610), (778, 9305), (1861, 3890), (1945, 3722)]