31286647

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1$

素因数の和:148

約数の個数: 36

約数和(自身を含む): 40851216

約数和(自身を除く): 9564569

約数列:

[1, 7, 17, 23, 49, 71, 119, 161, 391, 497, 529, 833, 1127, 1207, 1633, 2737, 3479, 3703, 8449, 8993, 11431, 19159, 25921, 27761, 37559, 59143, 62951, 80017, 194327, 262913, 440657, 638503, 1360289, 1840391, 4469521, 31286647]

約数ペア:

[(1, 31286647), (7, 4469521), (17, 1840391), (23, 1360289), (49, 638503), (71, 440657), (119, 262913), (161, 194327), (391, 80017), (497, 62951), (529, 59143), (833, 37559), (1127, 27761), (1207, 25921), (1633, 19159), (2737, 11431), (3479, 8993), (3703, 8449)]