81831952

素因数分解:

$2^4\times {\mathrm{269}}^1\times {\mathrm{19013}}^1$

素因数の和:19290

約数の個数: 20

約数和(自身を含む): 159147180

約数和(自身を除く): 77315228

約数列:

[1, 2, 4, 8, 16, 269, 538, 1076, 2152, 4304, 19013, 38026, 76052, 152104, 304208, 5114497, 10228994, 20457988, 40915976, 81831952]

約数ペア:

[(1, 81831952), (2, 40915976), (4, 20457988), (8, 10228994), (16, 5114497), (269, 304208), (538, 152104), (1076, 76052), (2152, 38026), (4304, 19013)]