639426026

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{194591}}^1$

素因数の和:194677

約数の個数: 16

約数和(自身を含む): 1008764928

約数和(自身を除く): 369338902

約数列:

[1, 2, 31, 53, 62, 106, 1643, 3286, 194591, 389182, 6032321, 10313323, 12064642, 20626646, 319713013, 639426026]

約数ペア:

[(1, 639426026), (2, 319713013), (31, 20626646), (53, 12064642), (62, 10313323), (106, 6032321), (1643, 389182), (3286, 194591)]