438307628

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{499}}^1\times {\mathrm{19963}}^1$

素因数の和:20477

約数の個数: 24

約数和(自身を含む): 838488000

約数和(自身を除く): 400180372

約数列:

[1, 2, 4, 11, 22, 44, 499, 998, 1996, 5489, 10978, 19963, 21956, 39926, 79852, 219593, 439186, 878372, 9961537, 19923074, 39846148, 109576907, 219153814, 438307628]

約数ペア:

[(1, 438307628), (2, 219153814), (4, 109576907), (11, 39846148), (22, 19923074), (44, 9961537), (499, 878372), (998, 439186), (1996, 219593), (5489, 79852), (10978, 39926), (19963, 21956)]