78688784

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{289297}}^1$

素因数の和:289322

約数の個数: 20

約数和(自身を含む): 161428284

約数和(自身を除く): 82739500

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 289297, 578594, 1157188, 2314376, 4628752, 4918049, 9836098, 19672196, 39344392, 78688784]

約数ペア:

[(1, 78688784), (2, 39344392), (4, 19672196), (8, 9836098), (16, 4918049), (17, 4628752), (34, 2314376), (68, 1157188), (136, 578594), (272, 289297)]