4438390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{257}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 8805024

約数和(自身を除く): 4366634

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 157, 257, 314, 514, 785, 1285, 1570, 1727, 2570, 2827, 3454, 5654, 8635, 14135, 17270, 28270, 40349, 80698, 201745, 403490, 443839, 887678, 2219195, 4438390]

約数ペア:

[(1, 4438390), (2, 2219195), (5, 887678), (10, 443839), (11, 403490), (22, 201745), (55, 80698), (110, 40349), (157, 28270), (257, 17270), (314, 14135), (514, 8635), (785, 5654), (1285, 3454), (1570, 2827), (1727, 2570)]