1620542854

素因数分解:

$2^1\times 7^1\times {\mathrm{401}}^1\times {\mathrm{288661}}^1$

素因数の和:289071

約数の個数: 16

約数和(自身を含む): 2785010976

約数和(自身を除く): 1164468122

約数列:

[1, 2, 7, 14, 401, 802, 2807, 5614, 288661, 577322, 2020627, 4041254, 115753061, 231506122, 810271427, 1620542854]

約数ペア:

[(1, 1620542854), (2, 810271427), (7, 231506122), (14, 115753061), (401, 4041254), (802, 2020627), (2807, 577322), (5614, 288661)]