71921575

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{83}}^1\times {\mathrm{137}}^1$

素因数の和:264

約数の個数: 48

約数和(自身を含む): 103493376

約数和(自身を除く): 31571801

約数列:

[1, 5, 11, 23, 25, 55, 83, 115, 137, 253, 275, 415, 575, 685, 913, 1265, 1507, 1909, 2075, 3151, 3425, 4565, 6325, 7535, 9545, 11371, 15755, 20999, 22825, 34661, 37675, 47725, 56855, 78775, 104995, 125081, 173305, 261533, 284275, 524975, 625405, 866525, 1307665, 2876863, 3127025, 6538325, 14384315, 71921575]

約数ペア:

[(1, 71921575), (5, 14384315), (11, 6538325), (23, 3127025), (25, 2876863), (55, 1307665), (83, 866525), (115, 625405), (137, 524975), (253, 284275), (275, 261533), (415, 173305), (575, 125081), (685, 104995), (913, 78775), (1265, 56855), (1507, 47725), (1909, 37675), (2075, 34661), (3151, 22825), (3425, 20999), (4565, 15755), (6325, 11371), (7535, 9545)]