221105281

素因数分解:

${\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{317}}^1\times {\mathrm{461}}^1$

素因数の和:884

約数の個数: 16

約数和(自身を含む): 238003920

約数和(自身を除く): 16898639

約数列:

[1, 17, 89, 317, 461, 1513, 5389, 7837, 28213, 41029, 146137, 479621, 697493, 2484329, 13006193, 221105281]

約数ペア:

[(1, 221105281), (17, 13006193), (89, 2484329), (317, 697493), (461, 479621), (1513, 146137), (5389, 41029), (7837, 28213)]