128668432

素因数分解:

$2^4\times {\mathrm{659}}^1\times {\mathrm{12203}}^1$

素因数の和:12870

約数の個数: 20

約数和(自身を含む): 249693840

約数和(自身を除く): 121025408

約数列:

[1, 2, 4, 8, 16, 659, 1318, 2636, 5272, 10544, 12203, 24406, 48812, 97624, 195248, 8041777, 16083554, 32167108, 64334216, 128668432]

約数ペア:

[(1, 128668432), (2, 64334216), (4, 32167108), (8, 16083554), (16, 8041777), (659, 195248), (1318, 97624), (2636, 48812), (5272, 24406), (10544, 12203)]