28951670

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{337}}^1$

素因数の和:437

約数の個数: 48

約数和(自身を含む): 58260384

約数和(自身を除く): 29308714

約数列:

[1, 2, 5, 10, 11, 22, 55, 71, 110, 121, 142, 242, 337, 355, 605, 674, 710, 781, 1210, 1562, 1685, 3370, 3707, 3905, 7414, 7810, 8591, 17182, 18535, 23927, 37070, 40777, 42955, 47854, 81554, 85910, 119635, 203885, 239270, 263197, 407770, 526394, 1315985, 2631970, 2895167, 5790334, 14475835, 28951670]

約数ペア:

[(1, 28951670), (2, 14475835), (5, 5790334), (10, 2895167), (11, 2631970), (22, 1315985), (55, 526394), (71, 407770), (110, 263197), (121, 239270), (142, 203885), (242, 119635), (337, 85910), (355, 81554), (605, 47854), (674, 42955), (710, 40777), (781, 37070), (1210, 23927), (1562, 18535), (1685, 17182), (3370, 8591), (3707, 7810), (3905, 7414)]