290674

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:185

約数の個数: 16

約数和(自身を含む): 466560

約数和(自身を除く): 175886

約数列:

[1, 2, 23, 46, 71, 89, 142, 178, 1633, 2047, 3266, 4094, 6319, 12638, 145337, 290674]

約数ペア:

[(1, 290674), (2, 145337), (23, 12638), (46, 6319), (71, 4094), (89, 3266), (142, 2047), (178, 1633)]