81798686

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{20899}}^1$

素因数の和:21023

約数の個数: 16

約数和(自身を含む): 130416000

約数和(自身を除く): 48617314

約数列:

[1, 2, 19, 38, 103, 206, 1957, 3914, 20899, 41798, 397081, 794162, 2152597, 4305194, 40899343, 81798686]

約数ペア:

[(1, 81798686), (2, 40899343), (19, 4305194), (38, 2152597), (103, 794162), (206, 397081), (1957, 41798), (3914, 20899)]