90390412

素因数分解:

$2^2\times 7^1\times {\mathrm{151}}^1\times {\mathrm{21379}}^1$

素因数の和:21541

約数の個数: 24

約数和(自身を含む): 181986560

約数和(自身を除く): 91596148

約数列:

[1, 2, 4, 7, 14, 28, 151, 302, 604, 1057, 2114, 4228, 21379, 42758, 85516, 149653, 299306, 598612, 3228229, 6456458, 12912916, 22597603, 45195206, 90390412]

約数ペア:

[(1, 90390412), (2, 45195206), (4, 22597603), (7, 12912916), (14, 6456458), (28, 3228229), (151, 598612), (302, 299306), (604, 149653), (1057, 85516), (2114, 42758), (4228, 21379)]