31543270

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{2063}}^1$

素因数の和:2220

約数の個数: 32

約数和(自身を含む): 62415360

約数和(自身を除く): 30872090

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 139, 278, 695, 1390, 1529, 2063, 3058, 4126, 7645, 10315, 15290, 20630, 22693, 45386, 113465, 226930, 286757, 573514, 1433785, 2867570, 3154327, 6308654, 15771635, 31543270]

約数ペア:

[(1, 31543270), (2, 15771635), (5, 6308654), (10, 3154327), (11, 2867570), (22, 1433785), (55, 573514), (110, 286757), (139, 226930), (278, 113465), (695, 45386), (1390, 22693), (1529, 20630), (2063, 15290), (3058, 10315), (4126, 7645)]