129644912

素因数分解:

$2^4\times {\mathrm{197}}^1\times {\mathrm{41131}}^1$

素因数の和:41336

約数の個数: 20

約数和(自身を含む): 252468216

約数和(自身を除く): 122823304

約数列:

[1, 2, 4, 8, 16, 197, 394, 788, 1576, 3152, 41131, 82262, 164524, 329048, 658096, 8102807, 16205614, 32411228, 64822456, 129644912]

約数ペア:

[(1, 129644912), (2, 64822456), (4, 32411228), (8, 16205614), (16, 8102807), (197, 658096), (394, 329048), (788, 164524), (1576, 82262), (3152, 41131)]