1640971574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{839}}^1\times {\mathrm{88903}}^1$

素因数の和:89755

約数の個数: 16

約数和(自身を含む): 2688456960

約数和(自身を除く): 1047485386

約数列:

[1, 2, 11, 22, 839, 1678, 9229, 18458, 88903, 177806, 977933, 1955866, 74589617, 149179234, 820485787, 1640971574]

約数ペア:

[(1, 1640971574), (2, 820485787), (11, 149179234), (22, 74589617), (839, 1955866), (1678, 977933), (9229, 177806), (18458, 88903)]