163920784

素因数分解:

$2^4\times {\mathrm{191}}^1\times {\mathrm{53639}}^1$

素因数の和:53838

約数の個数: 20

約数和(自身を含む): 319265280

約数和(自身を除く): 155344496

約数列:

[1, 2, 4, 8, 16, 191, 382, 764, 1528, 3056, 53639, 107278, 214556, 429112, 858224, 10245049, 20490098, 40980196, 81960392, 163920784]

約数ペア:

[(1, 163920784), (2, 81960392), (4, 40980196), (8, 20490098), (16, 10245049), (191, 858224), (382, 429112), (764, 214556), (1528, 107278), (3056, 53639)]