128525566

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{181}}^1\times {\mathrm{881}}^1$

素因数の和:1108

約数の個数: 32

約数和(自身を含む): 215744256

約数和(自身を除く): 87218690

約数列:

[1, 2, 13, 26, 31, 62, 181, 362, 403, 806, 881, 1762, 2353, 4706, 5611, 11222, 11453, 22906, 27311, 54622, 72943, 145886, 159461, 318922, 355043, 710086, 2072993, 4145986, 4943291, 9886582, 64262783, 128525566]

約数ペア:

[(1, 128525566), (2, 64262783), (13, 9886582), (26, 4943291), (31, 4145986), (62, 2072993), (181, 710086), (362, 355043), (403, 318922), (806, 159461), (881, 145886), (1762, 72943), (2353, 54622), (4706, 27311), (5611, 22906), (11222, 11453)]