81015138

素因数分解:

$2^1\times 3^2\times {\mathrm{83}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:559

約数の個数: 48

約数和(自身を含む): 179184096

約数和(自身を除く): 98168958

約数列:

[1, 2, 3, 6, 9, 18, 83, 166, 211, 249, 257, 422, 498, 514, 633, 747, 771, 1266, 1494, 1542, 1899, 2313, 3798, 4626, 17513, 21331, 35026, 42662, 52539, 54227, 63993, 105078, 108454, 127986, 157617, 162681, 191979, 315234, 325362, 383958, 488043, 976086, 4500841, 9001682, 13502523, 27005046, 40507569, 81015138]

約数ペア:

[(1, 81015138), (2, 40507569), (3, 27005046), (6, 13502523), (9, 9001682), (18, 4500841), (83, 976086), (166, 488043), (211, 383958), (249, 325362), (257, 315234), (422, 191979), (498, 162681), (514, 157617), (633, 127986), (747, 108454), (771, 105078), (1266, 63993), (1494, 54227), (1542, 52539), (1899, 42662), (2313, 35026), (3798, 21331), (4626, 17513)]