648816584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{49123}}^1$

素因数の和:49269

約数の個数: 32

約数和(自身を含む): 1320453120

約数和(自身を除く): 671636536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 127, 254, 508, 1016, 1651, 3302, 6604, 13208, 49123, 98246, 196492, 392984, 638599, 1277198, 2554396, 5108792, 6238621, 12477242, 24954484, 49908968, 81102073, 162204146, 324408292, 648816584]

約数ペア:

[(1, 648816584), (2, 324408292), (4, 162204146), (8, 81102073), (13, 49908968), (26, 24954484), (52, 12477242), (104, 6238621), (127, 5108792), (254, 2554396), (508, 1277198), (1016, 638599), (1651, 392984), (3302, 196492), (6604, 98246), (13208, 49123)]