258474245

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{20029}}^1$

素因数の和:20152

約数の個数: 16

約数和(自身を含む): 324486000

約数和(自身を除く): 66011755

約数列:

[1, 5, 29, 89, 145, 445, 2581, 12905, 20029, 100145, 580841, 1782581, 2904205, 8912905, 51694849, 258474245]

約数ペア:

[(1, 258474245), (5, 51694849), (29, 8912905), (89, 2904205), (145, 1782581), (445, 580841), (2581, 100145), (12905, 20029)]