51991505

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{617}}^1\times {\mathrm{887}}^1$

素因数の和:1528

約数の個数: 16

約数和(自身を含む): 65854080

約数和(自身を除く): 13862575

約数列:

[1, 5, 19, 95, 617, 887, 3085, 4435, 11723, 16853, 58615, 84265, 547279, 2736395, 10398301, 51991505]

約数ペア:

[(1, 51991505), (5, 10398301), (19, 2736395), (95, 547279), (617, 84265), (887, 58615), (3085, 16853), (4435, 11723)]