31431736

素因数分解:

$2^3\times 7^2\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 69090840

約数和(自身を除く): 37659104

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 181, 196, 362, 392, 443, 724, 886, 1267, 1448, 1772, 2534, 3101, 3544, 5068, 6202, 8869, 10136, 12404, 17738, 21707, 24808, 35476, 43414, 70952, 80183, 86828, 160366, 173656, 320732, 561281, 641464, 1122562, 2245124, 3928967, 4490248, 7857934, 15715868, 31431736]

約数ペア:

[(1, 31431736), (2, 15715868), (4, 7857934), (7, 4490248), (8, 3928967), (14, 2245124), (28, 1122562), (49, 641464), (56, 561281), (98, 320732), (181, 173656), (196, 160366), (362, 86828), (392, 80183), (443, 70952), (724, 43414), (886, 35476), (1267, 24808), (1448, 21707), (1772, 17738), (2534, 12404), (3101, 10136), (3544, 8869), (5068, 6202)]