208518782

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{271}}^1\times {\mathrm{389}}^1$

素因数の和:728

約数の個数: 32

約数和(自身を含む): 336061440

約数和(自身を除く): 127542658

約数列:

[1, 2, 23, 43, 46, 86, 271, 389, 542, 778, 989, 1978, 6233, 8947, 11653, 12466, 16727, 17894, 23306, 33454, 105419, 210838, 268019, 384721, 536038, 769442, 2424637, 4533017, 4849274, 9066034, 104259391, 208518782]

約数ペア:

[(1, 208518782), (2, 104259391), (23, 9066034), (43, 4849274), (46, 4533017), (86, 2424637), (271, 769442), (389, 536038), (542, 384721), (778, 268019), (989, 210838), (1978, 105419), (6233, 33454), (8947, 23306), (11653, 17894), (12466, 16727)]