639253832

素因数分解:

$2^3\times 7^1\times {\mathrm{11415247}}^1$

素因数の和:11415260

約数の個数: 16

約数和(自身を含む): 1369829760

約数和(自身を除く): 730575928

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 11415247, 22830494, 45660988, 79906729, 91321976, 159813458, 319626916, 639253832]

約数ペア:

[(1, 639253832), (2, 319626916), (4, 159813458), (7, 91321976), (8, 79906729), (14, 45660988), (28, 22830494), (56, 11415247)]