81439288

素因数分解:

$2^3\times 7^1\times {\mathrm{1454273}}^1$

素因数の和:1454286

約数の個数: 16

約数和(自身を含む): 174512880

約数和(自身を除く): 93073592

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 1454273, 2908546, 5817092, 10179911, 11634184, 20359822, 40719644, 81439288]

約数ペア:

[(1, 81439288), (2, 40719644), (4, 20359822), (7, 11634184), (8, 10179911), (14, 5817092), (28, 2908546), (56, 1454273)]