257412961

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{4349}}^1$

素因数の和:4548

約数の個数: 16

約数和(自身を含む): 288666000

約数和(自身を除く): 31253039

約数列:

[1, 13, 29, 157, 377, 2041, 4349, 4553, 56537, 59189, 126121, 682793, 1639573, 8876309, 19800997, 257412961]

約数ペア:

[(1, 257412961), (13, 19800997), (29, 8876309), (157, 1639573), (377, 682793), (2041, 126121), (4349, 59189), (4553, 56537)]