988890565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{353807}}^1$

素因数の和:353868

約数の個数: 16

約数和(自身を含む): 1307674368

約数和(自身を除く): 318783803

約数列:

[1, 5, 13, 43, 65, 215, 559, 2795, 353807, 1769035, 4599491, 15213701, 22997455, 76068505, 197778113, 988890565]

約数ペア:

[(1, 988890565), (5, 197778113), (13, 76068505), (43, 22997455), (65, 15213701), (215, 4599491), (559, 1769035), (2795, 353807)]