259442690

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1995713}}^1$

素因数の和:1995733

約数の個数: 16

約数和(自身を含む): 502919928

約数和(自身を除く): 243477238

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 1995713, 3991426, 9978565, 19957130, 25944269, 51888538, 129721345, 259442690]

約数ペア:

[(1, 259442690), (2, 129721345), (5, 51888538), (10, 25944269), (13, 19957130), (26, 9978565), (65, 3991426), (130, 1995713)]