123715768

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{20983}}^1$

素因数の和:21067

約数の個数: 32

約数和(自身を含む): 256844160

約数和(自身を除く): 133128392

約数列:

[1, 2, 4, 8, 11, 22, 44, 67, 88, 134, 268, 536, 737, 1474, 2948, 5896, 20983, 41966, 83932, 167864, 230813, 461626, 923252, 1405861, 1846504, 2811722, 5623444, 11246888, 15464471, 30928942, 61857884, 123715768]

約数ペア:

[(1, 123715768), (2, 61857884), (4, 30928942), (8, 15464471), (11, 11246888), (22, 5623444), (44, 2811722), (67, 1846504), (88, 1405861), (134, 923252), (268, 461626), (536, 230813), (737, 167864), (1474, 83932), (2948, 41966), (5896, 20983)]