256574138

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{101}}^1\times {\mathrm{66851}}^1$

素因数の和:66973

約数の個数: 16

約数和(自身を含む): 409134240

約数和(自身を除く): 152560102

約数列:

[1, 2, 19, 38, 101, 202, 1919, 3838, 66851, 133702, 1270169, 2540338, 6751951, 13503902, 128287069, 256574138]

約数ペア:

[(1, 256574138), (2, 128287069), (19, 13503902), (38, 6751951), (101, 2540338), (202, 1270169), (1919, 133702), (3838, 66851)]