389518254

素因数分解:

$2^1\times 3^3\times {\mathrm{263}}^1\times {\mathrm{27427}}^1$

素因数の和:27701

約数の個数: 32

約数和(自身を含む): 868919040

約数和(自身を除く): 479400786

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 263, 526, 789, 1578, 2367, 4734, 7101, 14202, 27427, 54854, 82281, 164562, 246843, 493686, 740529, 1481058, 7213301, 14426602, 21639903, 43279806, 64919709, 129839418, 194759127, 389518254]

約数ペア:

[(1, 389518254), (2, 194759127), (3, 129839418), (6, 64919709), (9, 43279806), (18, 21639903), (27, 14426602), (54, 7213301), (263, 1481058), (526, 740529), (789, 493686), (1578, 246843), (2367, 164562), (4734, 82281), (7101, 54854), (14202, 27427)]