128666956

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{13859}}^1$

素因数の和:14085

約数の個数: 24

約数和(自身を含む): 246818880

約数和(自身を除く): 118151924

約数列:

[1, 2, 4, 11, 22, 44, 211, 422, 844, 2321, 4642, 9284, 13859, 27718, 55436, 152449, 304898, 609796, 2924249, 5848498, 11696996, 32166739, 64333478, 128666956]

約数ペア:

[(1, 128666956), (2, 64333478), (4, 32166739), (11, 11696996), (22, 5848498), (44, 2924249), (211, 609796), (422, 304898), (844, 152449), (2321, 55436), (4642, 27718), (9284, 13859)]