81431778

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1\times {\mathrm{1153}}^1$

素因数の和:1386

約数の個数: 32

約数和(自身を含む): 166176000

約数和(自身を除く): 84744222

約数列:

[1, 2, 3, 6, 79, 149, 158, 237, 298, 447, 474, 894, 1153, 2306, 3459, 6918, 11771, 23542, 35313, 70626, 91087, 171797, 182174, 273261, 343594, 515391, 546522, 1030782, 13571963, 27143926, 40715889, 81431778]

約数ペア:

[(1, 81431778), (2, 40715889), (3, 27143926), (6, 13571963), (79, 1030782), (149, 546522), (158, 515391), (237, 343594), (298, 273261), (447, 182174), (474, 171797), (894, 91087), (1153, 70626), (2306, 35313), (3459, 23542), (6918, 11771)]