128439732

素因数分解:

$2^2\times 3^1\times {\mathrm{263}}^1\times {\mathrm{40697}}^1$

素因数の和:40967

約数の個数: 24

約数和(自身を含む): 300839616

約数和(自身を除く): 172399884

約数列:

[1, 2, 3, 4, 6, 12, 263, 526, 789, 1052, 1578, 3156, 40697, 81394, 122091, 162788, 244182, 488364, 10703311, 21406622, 32109933, 42813244, 64219866, 128439732]

約数ペア:

[(1, 128439732), (2, 64219866), (3, 42813244), (4, 32109933), (6, 21406622), (12, 10703311), (263, 488364), (526, 244182), (789, 162788), (1052, 122091), (1578, 81394), (3156, 40697)]