148020019

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{71}}^1\times {\mathrm{563}}^1$

素因数の和:687

約数の個数: 24

約数和(自身を含む): 179649792

約数和(自身を除く): 31629773

約数列:

[1, 7, 23, 71, 161, 497, 529, 563, 1633, 3703, 3941, 11431, 12949, 37559, 39973, 90643, 262913, 279811, 297827, 919379, 2084789, 6435653, 21145717, 148020019]

約数ペア:

[(1, 148020019), (7, 21145717), (23, 6435653), (71, 2084789), (161, 919379), (497, 297827), (529, 279811), (563, 262913), (1633, 90643), (3703, 39973), (3941, 37559), (11431, 12949)]