139419865

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{69191}}^1$

素因数の和:69240

約数の個数: 16

約数和(自身を含む): 185988096

約数和(自身を除く): 46568231

約数列:

[1, 5, 13, 31, 65, 155, 403, 2015, 69191, 345955, 899483, 2144921, 4497415, 10724605, 27883973, 139419865]

約数ペア:

[(1, 139419865), (5, 27883973), (13, 10724605), (31, 4497415), (65, 2144921), (155, 899483), (403, 345955), (2015, 69191)]