1247996872

素因数分解:

$2^3\times {\mathrm{229}}^1\times {\mathrm{681221}}^1$

素因数の和:681456

約数の個数: 16

約数和(自身を含む): 2350215900

約数和(自身を除く): 1102219028

約数列:

[1, 2, 4, 8, 229, 458, 916, 1832, 681221, 1362442, 2724884, 5449768, 155999609, 311999218, 623998436, 1247996872]

約数ペア:

[(1, 1247996872), (2, 623998436), (4, 311999218), (8, 155999609), (229, 5449768), (458, 2724884), (916, 1362442), (1832, 681221)]