71518321

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{571}}^1\times {\mathrm{617}}^1$

素因数の和:1224

約数の個数: 16

約数和(自身を含む): 84839040

約数和(自身を除く): 13320719

約数列:

[1, 7, 29, 203, 571, 617, 3997, 4319, 16559, 17893, 115913, 125251, 352307, 2466149, 10216903, 71518321]

約数ペア:

[(1, 71518321), (7, 10216903), (29, 2466149), (203, 352307), (571, 125251), (617, 115913), (3997, 17893), (4319, 16559)]