220189151

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{449}}^1$

素因数の和:803

約数の個数: 32

約数和(自身を含む): 288489600

約数和(自身を除く): 68300449

約数列:

[1, 7, 13, 17, 91, 119, 221, 317, 449, 1547, 2219, 3143, 4121, 5389, 5837, 7633, 28847, 37723, 40859, 53431, 70057, 99229, 142333, 490399, 694603, 996331, 1850329, 2419661, 12952303, 16937627, 31455593, 220189151]

約数ペア:

[(1, 220189151), (7, 31455593), (13, 16937627), (17, 12952303), (91, 2419661), (119, 1850329), (221, 996331), (317, 694603), (449, 490399), (1547, 142333), (2219, 99229), (3143, 70057), (4121, 53431), (5389, 40859), (5837, 37723), (7633, 28847)]