2019754849

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{61561}}^1$

素因数の和:61720

約数の個数: 16

約数和(自身を含む): 2383680640

約数和(自身を除く): 363925791

約数列:

[1, 7, 43, 109, 301, 763, 4687, 32809, 61561, 430927, 2647123, 6710149, 18529861, 46971043, 288536407, 2019754849]

約数ペア:

[(1, 2019754849), (7, 288536407), (43, 46971043), (109, 18529861), (301, 6710149), (763, 2647123), (4687, 430927), (32809, 61561)]