4260221

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{563}}^1$

素因数の和:640

約数の個数: 16

約数和(自身を含む): 5197824

約数和(自身を除く): 937603

約数列:

[1, 7, 23, 47, 161, 329, 563, 1081, 3941, 7567, 12949, 26461, 90643, 185227, 608603, 4260221]

約数ペア:

[(1, 4260221), (7, 608603), (23, 185227), (47, 90643), (161, 26461), (329, 12949), (563, 7567), (1081, 3941)]