31261868

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{10007}}^1$

素因数の和:10093

約数の個数: 24

約数和(自身を含む): 60528384

約数和(自身を除く): 29266516

約数列:

[1, 2, 4, 11, 22, 44, 71, 142, 284, 781, 1562, 3124, 10007, 20014, 40028, 110077, 220154, 440308, 710497, 1420994, 2841988, 7815467, 15630934, 31261868]

約数ペア:

[(1, 31261868), (2, 15630934), (4, 7815467), (11, 2841988), (22, 1420994), (44, 710497), (71, 440308), (142, 220154), (284, 110077), (781, 40028), (1562, 20014), (3124, 10007)]