81475952

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{268013}}^1$

素因数の和:268040

約数の個数: 20

約数和(自身を含む): 166168680

約数和(自身を除く): 84692728

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 268013, 536026, 1072052, 2144104, 4288208, 5092247, 10184494, 20368988, 40737976, 81475952]

約数ペア:

[(1, 81475952), (2, 40737976), (4, 20368988), (8, 10184494), (16, 5092247), (19, 4288208), (38, 2144104), (76, 1072052), (152, 536026), (304, 268013)]