78171426

素因数分解:

$2^1\times 3^3\times {\mathrm{71}}^1\times {\mathrm{20389}}^1$

素因数の和:20471

約数の個数: 32

約数和(自身を含む): 176169600

約数和(自身を除く): 97998174

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 71, 142, 213, 426, 639, 1278, 1917, 3834, 20389, 40778, 61167, 122334, 183501, 367002, 550503, 1101006, 1447619, 2895238, 4342857, 8685714, 13028571, 26057142, 39085713, 78171426]

約数ペア:

[(1, 78171426), (2, 39085713), (3, 26057142), (6, 13028571), (9, 8685714), (18, 4342857), (27, 2895238), (54, 1447619), (71, 1101006), (142, 550503), (213, 367002), (426, 183501), (639, 122334), (1278, 61167), (1917, 40778), (3834, 20389)]