128472617

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{131}}^1\times {\mathrm{829}}^1$

素因数の和:993

約数の個数: 24

約数和(自身を含む): 160395840

約数和(自身を除く): 31923223

約数列:

[1, 7, 13, 91, 131, 169, 829, 917, 1183, 1703, 5803, 10777, 11921, 22139, 75439, 108599, 140101, 154973, 760193, 980707, 1411787, 9882509, 18353231, 128472617]

約数ペア:

[(1, 128472617), (7, 18353231), (13, 9882509), (91, 1411787), (131, 980707), (169, 760193), (829, 154973), (917, 140101), (1183, 108599), (1703, 75439), (5803, 22139), (10777, 11921)]