214620874

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{20483}}^1$

素因数の和:20542

約数の個数: 24

約数和(自身を含む): 359862912

約数和(自身を除く): 145242038

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 20483, 40966, 266279, 532558, 634973, 1269946, 3461627, 6923254, 8254649, 16509298, 107310437, 214620874]

約数ペア:

[(1, 214620874), (2, 107310437), (13, 16509298), (26, 8254649), (31, 6923254), (62, 3461627), (169, 1269946), (338, 634973), (403, 532558), (806, 266279), (5239, 40966), (10478, 20483)]