13638007775

素因数分解:

$5^2\times 7^1\times {\mathrm{77931473}}^1$

素因数の和:77931490

約数の個数: 12

約数和(自身を含む): 19327005552

約数和(自身を除く): 5688997777

約数列:

[1, 5, 7, 25, 35, 175, 77931473, 389657365, 545520311, 1948286825, 2727601555, 13638007775]

約数ペア:

[(1, 13638007775), (5, 2727601555), (7, 1948286825), (25, 545520311), (35, 389657365), (175, 77931473)]