28163035

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:259

約数の個数: 32

約数和(自身を含む): 37509120

約数和(自身を除く): 9346085

約数列:

[1, 5, 19, 31, 73, 95, 131, 155, 365, 589, 655, 1387, 2263, 2489, 2945, 4061, 6935, 9563, 11315, 12445, 20305, 42997, 47815, 77159, 181697, 214985, 296453, 385795, 908485, 1482265, 5632607, 28163035]

約数ペア:

[(1, 28163035), (5, 5632607), (19, 1482265), (31, 908485), (73, 385795), (95, 296453), (131, 214985), (155, 181697), (365, 77159), (589, 47815), (655, 42997), (1387, 20305), (2263, 12445), (2489, 11315), (2945, 9563), (4061, 6935)]