311275442

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1\times {\mathrm{337}}^1$

素因数の和:690

約数の個数: 32

約数和(自身を含む): 499699200

約数和(自身を除く): 188423758

約数列:

[1, 2, 19, 38, 109, 218, 223, 337, 446, 674, 2071, 4142, 4237, 6403, 8474, 12806, 24307, 36733, 48614, 73466, 75151, 150302, 461833, 697927, 923666, 1395854, 1427869, 2855738, 8191459, 16382918, 155637721, 311275442]

約数ペア:

[(1, 311275442), (2, 155637721), (19, 16382918), (38, 8191459), (109, 2855738), (218, 1427869), (223, 1395854), (337, 923666), (446, 697927), (674, 461833), (2071, 150302), (4142, 75151), (4237, 73466), (6403, 48614), (8474, 36733), (12806, 24307)]