128219778

素因数分解:

$2^1\times 3^2\times {\mathrm{307}}^1\times {\mathrm{23203}}^1$

素因数の和:23518

約数の個数: 24

約数和(自身を含む): 278726448

約数和(自身を除く): 150506670

約数列:

[1, 2, 3, 6, 9, 18, 307, 614, 921, 1842, 2763, 5526, 23203, 46406, 69609, 139218, 208827, 417654, 7123321, 14246642, 21369963, 42739926, 64109889, 128219778]

約数ペア:

[(1, 128219778), (2, 64109889), (3, 42739926), (6, 21369963), (9, 14246642), (18, 7123321), (307, 417654), (614, 208827), (921, 139218), (1842, 69609), (2763, 46406), (5526, 23203)]