28720646

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{521}}^1\times {\mathrm{641}}^1$

素因数の和:1207

約数の個数: 16

約数和(自身を含む): 44236368

約数和(自身を除く): 15515722

約数列:

[1, 2, 43, 86, 521, 641, 1042, 1282, 22403, 27563, 44806, 55126, 333961, 667922, 14360323, 28720646]

約数ペア:

[(1, 28720646), (2, 14360323), (43, 667922), (86, 333961), (521, 55126), (641, 44806), (1042, 27563), (1282, 22403)]