81193178

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{157}}^1\times {\mathrm{2137}}^1$

素因数の和:2318

約数の個数: 24

約数和(自身を含む): 134783796

約数和(自身を除く): 53590618

約数列:

[1, 2, 11, 22, 121, 157, 242, 314, 1727, 2137, 3454, 4274, 18997, 23507, 37994, 47014, 258577, 335509, 517154, 671018, 3690599, 7381198, 40596589, 81193178]

約数ペア:

[(1, 81193178), (2, 40596589), (11, 7381198), (22, 3690599), (121, 671018), (157, 517154), (242, 335509), (314, 258577), (1727, 47014), (2137, 37994), (3454, 23507), (4274, 18997)]