396788

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{383}}^1$

素因数の和:431

約数の個数: 24

約数和(自身を含む): 817152

約数和(自身を除く): 420364

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 383, 518, 766, 1036, 1532, 2681, 5362, 10724, 14171, 28342, 56684, 99197, 198394, 396788]

約数ペア:

[(1, 396788), (2, 198394), (4, 99197), (7, 56684), (14, 28342), (28, 14171), (37, 10724), (74, 5362), (148, 2681), (259, 1532), (383, 1036), (518, 766)]