81595176

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{261523}}^1$

素因数の和:261545

約数の個数: 32

約数和(自身を含む): 219680160

約数和(自身を除く): 138084984

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 261523, 523046, 784569, 1046092, 1569138, 2092184, 3138276, 3399799, 6276552, 6799598, 10199397, 13599196, 20398794, 27198392, 40797588, 81595176]

約数ペア:

[(1, 81595176), (2, 40797588), (3, 27198392), (4, 20398794), (6, 13599196), (8, 10199397), (12, 6799598), (13, 6276552), (24, 3399799), (26, 3138276), (39, 2092184), (52, 1569138), (78, 1046092), (104, 784569), (156, 523046), (312, 261523)]