638768084

素因数分解:

$2^2\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{44971}}^1$

素因数の和:45095

約数の個数: 24

約数和(自身を含む): 1155960288

約数和(自身を除く): 517192204

約数列:

[1, 2, 4, 53, 67, 106, 134, 212, 268, 3551, 7102, 14204, 44971, 89942, 179884, 2383463, 3013057, 4766926, 6026114, 9533852, 12052228, 159692021, 319384042, 638768084]

約数ペア:

[(1, 638768084), (2, 319384042), (4, 159692021), (53, 12052228), (67, 9533852), (106, 6026114), (134, 4766926), (212, 3013057), (268, 2383463), (3551, 179884), (7102, 89942), (14204, 44971)]