40891676

素因数分解:

$2^2\times 7^2\times {\mathrm{208631}}^1$

素因数の和:208649

約数の個数: 18

約数和(自身を含む): 83244168

約数和(自身を除く): 42352492

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 208631, 417262, 834524, 1460417, 2920834, 5841668, 10222919, 20445838, 40891676]

約数ペア:

[(1, 40891676), (2, 20445838), (4, 10222919), (7, 5841668), (14, 2920834), (28, 1460417), (49, 834524), (98, 417262), (196, 208631)]