40438618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{25889}}^1$

素因数の和:25973

約数の個数: 16

約数和(自身を含む): 67106880

約数和(自身を除く): 26668262

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 25889, 51778, 284779, 569558, 1838119, 3676238, 20219309, 40438618]

約数ペア:

[(1, 40438618), (2, 20219309), (11, 3676238), (22, 1838119), (71, 569558), (142, 284779), (781, 51778), (1562, 25889)]