81330790

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{280451}}^1$

素因数の和:280487

約数の個数: 16

約数和(自身を含む): 151444080

約数和(自身を除く): 70113290

約数列:

[1, 2, 5, 10, 29, 58, 145, 290, 280451, 560902, 1402255, 2804510, 8133079, 16266158, 40665395, 81330790]

約数ペア:

[(1, 81330790), (2, 40665395), (5, 16266158), (10, 8133079), (29, 2804510), (58, 1402255), (145, 560902), (290, 280451)]