491132159

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{217219}}^1$

素因数の和:217262

約数の個数: 16

約数和(自身を含む): 625593600

約数和(自身を除く): 134461441

約数列:

[1, 7, 17, 19, 119, 133, 323, 2261, 217219, 1520533, 3692723, 4127161, 25849061, 28890127, 70161737, 491132159]

約数ペア:

[(1, 491132159), (7, 70161737), (17, 28890127), (19, 25849061), (119, 4127161), (133, 3692723), (323, 1520533), (2261, 217219)]