842147999

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{108287}}^1$

素因数の和:108406

約数の個数: 16

約数和(自身を含む): 1060356096

約数和(自身を除く): 218208097

約数列:

[1, 7, 11, 77, 101, 707, 1111, 7777, 108287, 758009, 1191157, 8338099, 10936987, 76558909, 120306857, 842147999]

約数ペア:

[(1, 842147999), (7, 120306857), (11, 76558909), (77, 10936987), (101, 8338099), (707, 1191157), (1111, 758009), (7777, 108287)]