128419218

素因数分解:

$2^1\times 3^2\times {\mathrm{263}}^1\times {\mathrm{27127}}^1$

素因数の和:27398

約数の個数: 24

約数和(自身を含む): 279309888

約数和(自身を除く): 150890670

約数列:

[1, 2, 3, 6, 9, 18, 263, 526, 789, 1578, 2367, 4734, 27127, 54254, 81381, 162762, 244143, 488286, 7134401, 14268802, 21403203, 42806406, 64209609, 128419218]

約数ペア:

[(1, 128419218), (2, 64209609), (3, 42806406), (6, 21403203), (9, 14268802), (18, 7134401), (263, 488286), (526, 244143), (789, 162762), (1578, 81381), (2367, 54254), (4734, 27127)]