15728020637

素因数分解:

$7^2\times {\mathrm{89}}^1\times {\mathrm{811}}^1\times {\mathrm{4447}}^1$

素因数の和:5361

約数の個数: 24

約数和(自身を含む): 18528410880

約数和(自身を除く): 2800390243

約数列:

[1, 7, 49, 89, 623, 811, 4361, 4447, 5677, 31129, 39739, 72179, 217903, 395783, 505253, 2770481, 3536771, 3606517, 19393367, 25245619, 176719333, 320980013, 2246860091, 15728020637]

約数ペア:

[(1, 15728020637), (7, 2246860091), (49, 320980013), (89, 176719333), (623, 25245619), (811, 19393367), (4361, 3606517), (4447, 3536771), (5677, 2770481), (31129, 505253), (39739, 395783), (72179, 217903)]