81990736

素因数分解:

$2^4\times {\mathrm{367}}^1\times {\mathrm{13963}}^1$

素因数の和:14338

約数の個数: 20

約数和(自身を含む): 159301312

約数和(自身を除く): 77310576

約数列:

[1, 2, 4, 8, 16, 367, 734, 1468, 2936, 5872, 13963, 27926, 55852, 111704, 223408, 5124421, 10248842, 20497684, 40995368, 81990736]

約数ペア:

[(1, 81990736), (2, 40995368), (4, 20497684), (8, 10248842), (16, 5124421), (367, 223408), (734, 111704), (1468, 55852), (2936, 27926), (5872, 13963)]