1647809998

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{421}}^1\times {\mathrm{103001}}^1$

素因数の和:103443

約数の個数: 16

約数和(自身を含む): 2608010640

約数和(自身を除く): 960200642

約数列:

[1, 2, 19, 38, 421, 842, 7999, 15998, 103001, 206002, 1957019, 3914038, 43363421, 86726842, 823904999, 1647809998]

約数ペア:

[(1, 1647809998), (2, 823904999), (19, 86726842), (38, 43363421), (421, 3914038), (842, 1957019), (7999, 206002), (15998, 103001)]