2900261

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1$

素因数の和:213

約数の個数: 24

約数和(自身を含む): 3782520

約数和(自身を除く): 882259

約数列:

[1, 7, 13, 29, 49, 91, 157, 203, 377, 637, 1099, 1421, 2041, 2639, 4553, 7693, 14287, 18473, 31871, 59189, 100009, 223097, 414323, 2900261]

約数ペア:

[(1, 2900261), (7, 414323), (13, 223097), (29, 100009), (49, 59189), (91, 31871), (157, 18473), (203, 14287), (377, 7693), (637, 4553), (1099, 2639), (1421, 2041)]