420794

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{617}}^1$

素因数の和:661

約数の個数: 16

約数和(自身を含む): 711936

約数和(自身を除く): 291142

約数列:

[1, 2, 11, 22, 31, 62, 341, 617, 682, 1234, 6787, 13574, 19127, 38254, 210397, 420794]

約数ペア:

[(1, 420794), (2, 210397), (11, 38254), (22, 19127), (31, 13574), (62, 6787), (341, 1234), (617, 682)]