638961084

素因数分解:

$2^2\times 3^2\times {\mathrm{2297}}^1\times {\mathrm{7727}}^1$

素因数の和:10034

約数の個数: 36

約数和(自身を含む): 1616063904

約数和(自身を除く): 977102820

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 2297, 4594, 6891, 7727, 9188, 13782, 15454, 20673, 23181, 27564, 30908, 41346, 46362, 69543, 82692, 92724, 139086, 278172, 17748919, 35497838, 53246757, 70995676, 106493514, 159740271, 212987028, 319480542, 638961084]

約数ペア:

[(1, 638961084), (2, 319480542), (3, 212987028), (4, 159740271), (6, 106493514), (9, 70995676), (12, 53246757), (18, 35497838), (36, 17748919), (2297, 278172), (4594, 139086), (6891, 92724), (7727, 82692), (9188, 69543), (13782, 46362), (15454, 41346), (20673, 30908), (23181, 27564)]