206875781

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{2521}}^1$

素因数の和:3164

約数の個数: 16

約数和(自身を含む): 249375360

約数和(自身を除く): 42499579

約数列:

[1, 7, 19, 133, 617, 2521, 4319, 11723, 17647, 47899, 82061, 335293, 1555457, 10888199, 29553683, 206875781]

約数ペア:

[(1, 206875781), (7, 29553683), (19, 10888199), (133, 1555457), (617, 335293), (2521, 82061), (4319, 47899), (11723, 17647)]