22211791

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1\times {\mathrm{401}}^1$

素因数の和:642

約数の個数: 16

約数和(自身を含む): 26203968

約数和(自身を除く): 3992177

約数列:

[1, 7, 41, 193, 287, 401, 1351, 2807, 7913, 16441, 55391, 77393, 115087, 541751, 3173113, 22211791]

約数ペア:

[(1, 22211791), (7, 3173113), (41, 541751), (193, 115087), (287, 77393), (401, 55391), (1351, 16441), (2807, 7913)]