639772393

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{73783}}^1$

素因数の和:73848

約数の個数: 16

約数和(自身を含む): 743742720

約数和(自身を除く): 103970327

約数列:

[1, 13, 23, 29, 299, 377, 667, 8671, 73783, 959179, 1697009, 2139707, 22061117, 27816191, 49213261, 639772393]

約数ペア:

[(1, 639772393), (13, 49213261), (23, 27816191), (29, 22061117), (299, 2139707), (377, 1697009), (667, 959179), (8671, 73783)]