1640954991

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{2213}}^1\times {\mathrm{19013}}^1$

素因数の和:21242

約数の個数: 16

約数和(自身を含む): 2357431776

約数和(自身を除く): 716476785

約数列:

[1, 3, 13, 39, 2213, 6639, 19013, 28769, 57039, 86307, 247169, 741507, 42075769, 126227307, 546984997, 1640954991]

約数ペア:

[(1, 1640954991), (3, 546984997), (13, 126227307), (39, 42075769), (2213, 741507), (6639, 247169), (19013, 86307), (28769, 57039)]