81948984

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{262657}}^1$

素因数の和:262679

約数の個数: 32

約数和(自身を含む): 220632720

約数和(自身を除く): 138683736

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 262657, 525314, 787971, 1050628, 1575942, 2101256, 3151884, 3414541, 6303768, 6829082, 10243623, 13658164, 20487246, 27316328, 40974492, 81948984]

約数ペア:

[(1, 81948984), (2, 40974492), (3, 27316328), (4, 20487246), (6, 13658164), (8, 10243623), (12, 6829082), (13, 6303768), (24, 3414541), (26, 3151884), (39, 2101256), (52, 1575942), (78, 1050628), (104, 787971), (156, 525314), (312, 262657)]