81249584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5351}}^1$

素因数の和:5445

約数の個数: 40

約数和(自身を含む): 171884832

約数和(自身を除く): 90635248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 73, 104, 146, 208, 292, 584, 949, 1168, 1898, 3796, 5351, 7592, 10702, 15184, 21404, 42808, 69563, 85616, 139126, 278252, 390623, 556504, 781246, 1113008, 1562492, 3124984, 5078099, 6249968, 10156198, 20312396, 40624792, 81249584]

約数ペア:

[(1, 81249584), (2, 40624792), (4, 20312396), (8, 10156198), (13, 6249968), (16, 5078099), (26, 3124984), (52, 1562492), (73, 1113008), (104, 781246), (146, 556504), (208, 390623), (292, 278252), (584, 139126), (949, 85616), (1168, 69563), (1898, 42808), (3796, 21404), (5351, 15184), (7592, 10702)]