81438616

素因数分解:

$2^3\times 7^1\times {\mathrm{1454261}}^1$

素因数の和:1454274

約数の個数: 16

約数和(自身を含む): 174511440

約数和(自身を除く): 93072824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1454261, 2908522, 5817044, 10179827, 11634088, 20359654, 40719308, 81438616]

約数ペア:

[(1, 81438616), (2, 40719308), (4, 20359654), (7, 11634088), (8, 10179827), (14, 5817044), (28, 2908522), (56, 1454261)]