128644016

素因数分解:

$2^4\times {\mathrm{571}}^1\times {\mathrm{14081}}^1$

素因数の和:14660

約数の個数: 20

約数和(自身を含む): 249702024

約数和(自身を除く): 121058008

約数列:

[1, 2, 4, 8, 16, 571, 1142, 2284, 4568, 9136, 14081, 28162, 56324, 112648, 225296, 8040251, 16080502, 32161004, 64322008, 128644016]

約数ペア:

[(1, 128644016), (2, 64322008), (4, 32161004), (8, 16080502), (16, 8040251), (571, 225296), (1142, 112648), (2284, 56324), (4568, 28162), (9136, 14081)]