254012018

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{123667}}^1$

素因数の和:123761

約数の個数: 16

約数和(自身を含む): 415524480

約数和(自身を除く): 161512462

約数列:

[1, 2, 13, 26, 79, 158, 1027, 2054, 123667, 247334, 1607671, 3215342, 9769693, 19539386, 127006009, 254012018]

約数ペア:

[(1, 254012018), (2, 127006009), (13, 19539386), (26, 9769693), (79, 3215342), (158, 1607671), (1027, 247334), (2054, 123667)]