256487404

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{21937}}^1$

素因数の和:22057

約数の個数: 24

約数和(自身を含む): 466840640

約数和(自身を除く): 210353236

約数列:

[1, 2, 4, 37, 74, 79, 148, 158, 316, 2923, 5846, 11692, 21937, 43874, 87748, 811669, 1623338, 1733023, 3246676, 3466046, 6932092, 64121851, 128243702, 256487404]

約数ペア:

[(1, 256487404), (2, 128243702), (4, 64121851), (37, 6932092), (74, 3466046), (79, 3246676), (148, 1733023), (158, 1623338), (316, 811669), (2923, 87748), (5846, 43874), (11692, 21937)]