2647766

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{1973}}^1$

素因数の和:2047

約数の個数: 16

約数和(自身を含む): 4405968

約数和(自身を除く): 1758202

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 1973, 3946, 21703, 43406, 120353, 240706, 1323883, 2647766]

約数ペア:

[(1, 2647766), (2, 1323883), (11, 240706), (22, 120353), (61, 43406), (122, 21703), (671, 3946), (1342, 1973)]