128818423

素因数分解:

${\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1$

素因数の和:367

約数の個数: 32

約数和(自身を含む): 150589440

約数和(自身を除く): 21771017

約数列:

[1, 19, 23, 31, 37, 257, 437, 589, 703, 713, 851, 1147, 4883, 5911, 7967, 9509, 13547, 16169, 21793, 26381, 112309, 151373, 180671, 183241, 218707, 294779, 501239, 3481579, 4155433, 5600801, 6779917, 128818423]

約数ペア:

[(1, 128818423), (19, 6779917), (23, 5600801), (31, 4155433), (37, 3481579), (257, 501239), (437, 294779), (589, 218707), (703, 183241), (713, 180671), (851, 151373), (1147, 112309), (4883, 26381), (5911, 21793), (7967, 16169), (9509, 13547)]