399363263

素因数分解:

${\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{7621}}^1$

素因数の和:7802

約数の個数: 16

約数和(自身を含む): 448173600

約数和(自身を除く): 48810337

約数列:

[1, 13, 29, 139, 377, 1807, 4031, 7621, 52403, 99073, 221009, 1059319, 2873117, 13771147, 30720251, 399363263]

約数ペア:

[(1, 399363263), (13, 30720251), (29, 13771147), (139, 2873117), (377, 1059319), (1807, 221009), (4031, 99073), (7621, 52403)]