12881099

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{1277}}^1$

素因数の和:1426

約数の個数: 16

約数和(自身を含む): 16194816

約数和(自身を除く): 3313717

約数列:

[1, 7, 11, 77, 131, 917, 1277, 1441, 8939, 10087, 14047, 98329, 167287, 1171009, 1840157, 12881099]

約数ペア:

[(1, 12881099), (7, 1840157), (11, 1171009), (77, 167287), (131, 98329), (917, 14047), (1277, 10087), (1441, 8939)]