128528868

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{823903}}^1$

素因数の和:823923

約数の個数: 24

約数和(自身を含む): 322970368

約数和(自身を除く): 194441500

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 823903, 1647806, 2471709, 3295612, 4943418, 9886836, 10710739, 21421478, 32132217, 42842956, 64264434, 128528868]

約数ペア:

[(1, 128528868), (2, 64264434), (3, 42842956), (4, 32132217), (6, 21421478), (12, 10710739), (13, 9886836), (26, 4943418), (39, 3295612), (52, 2471709), (78, 1647806), (156, 823903)]