493085008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{76471}}^1$

素因数の和:76523

約数の個数: 40

約数和(自身を含む): 1062043136

約数和(自身を除く): 568958128

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 76471, 152942, 305884, 611768, 994123, 1223536, 1988246, 2370601, 3976492, 4741202, 7952984, 9482404, 15905968, 18964808, 30817813, 37929616, 61635626, 123271252, 246542504, 493085008]

約数ペア:

[(1, 493085008), (2, 246542504), (4, 123271252), (8, 61635626), (13, 37929616), (16, 30817813), (26, 18964808), (31, 15905968), (52, 9482404), (62, 7952984), (104, 4741202), (124, 3976492), (208, 2370601), (248, 1988246), (403, 1223536), (496, 994123), (806, 611768), (1612, 305884), (3224, 152942), (6448, 76471)]