31708168

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{443}}^1$

素因数の和:861

約数の個数: 32

約数和(自身を含む): 62337600

約数和(自身を除く): 30629432

約数列:

[1, 2, 4, 8, 23, 46, 92, 184, 389, 443, 778, 886, 1556, 1772, 3112, 3544, 8947, 10189, 17894, 20378, 35788, 40756, 71576, 81512, 172327, 344654, 689308, 1378616, 3963521, 7927042, 15854084, 31708168]

約数ペア:

[(1, 31708168), (2, 15854084), (4, 7927042), (8, 3963521), (23, 1378616), (46, 689308), (92, 344654), (184, 172327), (389, 81512), (443, 71576), (778, 40756), (886, 35788), (1556, 20378), (1772, 17894), (3112, 10189), (3544, 8947)]