31967999

素因数分解:

$7^1\times {\mathrm{23}}^2\times {\mathrm{89}}^1\times {\mathrm{97}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 39019680

約数和(自身を除く): 7051681

約数列:

[1, 7, 23, 89, 97, 161, 529, 623, 679, 2047, 2231, 3703, 8633, 14329, 15617, 47081, 51313, 60431, 198559, 329567, 359191, 1389913, 4566857, 31967999]

約数ペア:

[(1, 31967999), (7, 4566857), (23, 1389913), (89, 359191), (97, 329567), (161, 198559), (529, 60431), (623, 51313), (679, 47081), (2047, 15617), (2231, 14329), (3703, 8633)]