90018872

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{239}}^1$

素因数の和:380

約数の個数: 48

約数和(自身を含む): 179172000

約数和(自身を除く): 89153128

約数列:

[1, 2, 4, 8, 23, 46, 89, 92, 178, 184, 239, 356, 478, 529, 712, 956, 1058, 1912, 2047, 2116, 4094, 4232, 5497, 8188, 10994, 16376, 21271, 21988, 42542, 43976, 47081, 85084, 94162, 126431, 170168, 188324, 252862, 376648, 489233, 505724, 978466, 1011448, 1956932, 3913864, 11252359, 22504718, 45009436, 90018872]

約数ペア:

[(1, 90018872), (2, 45009436), (4, 22504718), (8, 11252359), (23, 3913864), (46, 1956932), (89, 1011448), (92, 978466), (178, 505724), (184, 489233), (239, 376648), (356, 252862), (478, 188324), (529, 170168), (712, 126431), (956, 94162), (1058, 85084), (1912, 47081), (2047, 43976), (2116, 42542), (4094, 21988), (4232, 21271), (5497, 16376), (8188, 10994)]