215788243

素因数分解:

${\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{227}}^1\times {\mathrm{971}}^1$

素因数の和:1298

約数の個数: 16

約数和(自身を含む): 239345280

約数和(自身を除く): 23557037

約数列:

[1, 11, 89, 227, 971, 979, 2497, 10681, 20203, 86419, 220417, 222233, 950609, 2424587, 19617113, 215788243]

約数ペア:

[(1, 215788243), (11, 19617113), (89, 2424587), (227, 950609), (971, 222233), (979, 220417), (2497, 86419), (10681, 20203)]