31891010

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{277}}^1\times {\mathrm{397}}^1$

素因数の和:710

約数の個数: 32

約数和(自身を含む): 59747760

約数和(自身を除く): 27856750

約数列:

[1, 2, 5, 10, 29, 58, 145, 277, 290, 397, 554, 794, 1385, 1985, 2770, 3970, 8033, 11513, 16066, 23026, 40165, 57565, 80330, 109969, 115130, 219938, 549845, 1099690, 3189101, 6378202, 15945505, 31891010]

約数ペア:

[(1, 31891010), (2, 15945505), (5, 6378202), (10, 3189101), (29, 1099690), (58, 549845), (145, 219938), (277, 115130), (290, 109969), (397, 80330), (554, 57565), (794, 40165), (1385, 23026), (1985, 16066), (2770, 11513), (3970, 8033)]