9681890

素因数分解:

$2^1\times 5^1\times {\mathrm{239}}^1\times {\mathrm{4051}}^1$

素因数の和:4297

約数の個数: 16

約数和(自身を含む): 17504640

約数和(自身を除く): 7822750

約数列:

[1, 2, 5, 10, 239, 478, 1195, 2390, 4051, 8102, 20255, 40510, 968189, 1936378, 4840945, 9681890]

約数ペア:

[(1, 9681890), (2, 4840945), (5, 1936378), (10, 968189), (239, 40510), (478, 20255), (1195, 8102), (2390, 4051)]