28589626

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{449}}^1$

素因数の和:574

約数の個数: 32

約数和(自身を含む): 48384000

約数和(自身を除く): 19794374

約数列:

[1, 2, 13, 26, 31, 62, 79, 158, 403, 449, 806, 898, 1027, 2054, 2449, 4898, 5837, 11674, 13919, 27838, 31837, 35471, 63674, 70942, 180947, 361894, 461123, 922246, 1099601, 2199202, 14294813, 28589626]

約数ペア:

[(1, 28589626), (2, 14294813), (13, 2199202), (26, 1099601), (31, 922246), (62, 461123), (79, 361894), (158, 180947), (403, 70942), (449, 63674), (806, 35471), (898, 31837), (1027, 27838), (2054, 13919), (2449, 11674), (4898, 5837)]