401404756

素因数分解:

$2^2\times {\mathrm{139}}^1\times {\mathrm{721951}}^1$

素因数の和:722094

約数の個数: 12

約数和(自身を含む): 707512960

約数和(自身を除く): 306108204

約数列:

[1, 2, 4, 139, 278, 556, 721951, 1443902, 2887804, 100351189, 200702378, 401404756]

約数ペア:

[(1, 401404756), (2, 200702378), (4, 100351189), (139, 2887804), (278, 1443902), (556, 721951)]