91988239

素因数分解:

$7^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{193}}^1$

素因数の和:415

約数の個数: 24

約数和(自身を含む): 109872288

約数和(自身を除く): 17884049

約数列:

[1, 7, 49, 71, 137, 193, 497, 959, 1351, 3479, 6713, 9457, 9727, 13703, 26441, 68089, 95921, 185087, 476623, 671447, 1295609, 1877311, 13141177, 91988239]

約数ペア:

[(1, 91988239), (7, 13141177), (49, 1877311), (71, 1295609), (137, 671447), (193, 476623), (497, 185087), (959, 95921), (1351, 68089), (3479, 26441), (6713, 13703), (9457, 9727)]