128428686

素因数分解:

$2^1\times 3^3\times {\mathrm{263}}^1\times {\mathrm{9043}}^1$

素因数の和:9317

約数の個数: 32

約数和(自身を含む): 286513920

約数和(自身を除く): 158085234

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 263, 526, 789, 1578, 2367, 4734, 7101, 9043, 14202, 18086, 27129, 54258, 81387, 162774, 244161, 488322, 2378309, 4756618, 7134927, 14269854, 21404781, 42809562, 64214343, 128428686]

約数ペア:

[(1, 128428686), (2, 64214343), (3, 42809562), (6, 21404781), (9, 14269854), (18, 7134927), (27, 4756618), (54, 2378309), (263, 488322), (526, 244161), (789, 162774), (1578, 81387), (2367, 54258), (4734, 27129), (7101, 18086), (9043, 14202)]