91315405

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 118879488

約数和(自身を除く): 27564083

約数列:

[1, 5, 23, 41, 107, 115, 181, 205, 535, 905, 943, 2461, 4163, 4387, 4715, 7421, 12305, 19367, 20815, 21935, 37105, 96835, 100901, 170683, 445441, 504505, 794047, 853415, 2227205, 3970235, 18263081, 91315405]

約数ペア:

[(1, 91315405), (5, 18263081), (23, 3970235), (41, 2227205), (107, 853415), (115, 794047), (181, 504505), (205, 445441), (535, 170683), (905, 100901), (943, 96835), (2461, 37105), (4163, 21935), (4387, 20815), (4715, 19367), (7421, 12305)]