31856156941

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{28661}}^1$

素因数の和:28885

約数の個数: 32

約数和(自身を含む): 39237131520

約数和(自身を除く): 7380974579

約数列:

[1, 7, 19, 61, 133, 137, 427, 959, 1159, 2603, 8113, 8357, 18221, 28661, 58499, 158783, 200627, 544559, 1111481, 1748321, 3811913, 3926557, 12238247, 27485899, 33218099, 74604583, 232526693, 239519977, 522232081, 1676639839, 4550879563, 31856156941]

約数ペア:

[(1, 31856156941), (7, 4550879563), (19, 1676639839), (61, 522232081), (133, 239519977), (137, 232526693), (427, 74604583), (959, 33218099), (1159, 27485899), (2603, 12238247), (8113, 3926557), (8357, 3811913), (18221, 1748321), (28661, 1111481), (58499, 544559), (158783, 200627)]