81387512

素因数分解:

$2^3\times {\mathrm{313}}^1\times {\mathrm{32503}}^1$

素因数の和:32822

約数の個数: 16

約数和(自身を含む): 153093840

約数和(自身を除く): 71706328

約数列:

[1, 2, 4, 8, 313, 626, 1252, 2504, 32503, 65006, 130012, 260024, 10173439, 20346878, 40693756, 81387512]

約数ペア:

[(1, 81387512), (2, 40693756), (4, 20346878), (8, 10173439), (313, 260024), (626, 130012), (1252, 65006), (2504, 32503)]