81815368

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{538259}}^1$

素因数の和:538284

約数の個数: 16

約数和(自身を含む): 161478000

約数和(自身を除く): 79662632

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 538259, 1076518, 2153036, 4306072, 10226921, 20453842, 40907684, 81815368]

約数ペア:

[(1, 81815368), (2, 40907684), (4, 20453842), (8, 10226921), (19, 4306072), (38, 2153036), (76, 1076518), (152, 538259)]