81297994

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{313}}^1\times {\mathrm{2129}}^1$

素因数の和:2505

約数の個数: 16

約数和(自身を含む): 124400520

約数和(自身を除く): 43102526

約数列:

[1, 2, 61, 122, 313, 626, 2129, 4258, 19093, 38186, 129869, 259738, 666377, 1332754, 40648997, 81297994]

約数ペア:

[(1, 81297994), (2, 40648997), (61, 1332754), (122, 666377), (313, 259738), (626, 129869), (2129, 38186), (4258, 19093)]