40490306

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{911}}^1$

素因数の和:1297

約数の個数: 16

約数和(自身を含む): 61855488

約数和(自身を除く): 21365182

約数列:

[1, 2, 71, 142, 313, 626, 911, 1822, 22223, 44446, 64681, 129362, 285143, 570286, 20245153, 40490306]

約数ペア:

[(1, 40490306), (2, 20245153), (71, 570286), (142, 285143), (313, 129362), (626, 64681), (911, 44446), (1822, 22223)]