3998428

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2341}}^1$

素因数の和:2413

約数の個数: 24

約数和(自身を含む): 8131424

約数和(自身を除く): 4132996

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 2341, 4682, 9364, 16387, 32774, 65548, 142801, 285602, 571204, 999607, 1999214, 3998428]

約数ペア:

[(1, 3998428), (2, 1999214), (4, 999607), (7, 571204), (14, 285602), (28, 142801), (61, 65548), (122, 32774), (244, 16387), (427, 9364), (854, 4682), (1708, 2341)]