1218824999

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{1471}}^1\times {\mathrm{2887}}^1$

素因数の和:4406

約数の個数: 16

約数和(自身を含む): 1428381696

約数和(自身を除く): 209556697

約数列:

[1, 7, 41, 287, 1471, 2887, 10297, 20209, 60311, 118367, 422177, 828569, 4246777, 29727439, 174117857, 1218824999]

約数ペア:

[(1, 1218824999), (7, 174117857), (41, 29727439), (287, 4246777), (1471, 828569), (2887, 422177), (10297, 118367), (20209, 60311)]