13890965

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:257

約数の個数: 32

約数和(自身を含む): 19353600

約数和(自身を除く): 5462635

約数列:

[1, 5, 11, 23, 55, 79, 115, 139, 253, 395, 695, 869, 1265, 1529, 1817, 3197, 4345, 7645, 9085, 10981, 15985, 19987, 35167, 54905, 99935, 120791, 175835, 252563, 603955, 1262815, 2778193, 13890965]

約数ペア:

[(1, 13890965), (5, 2778193), (11, 1262815), (23, 603955), (55, 252563), (79, 175835), (115, 120791), (139, 99935), (253, 54905), (395, 35167), (695, 19987), (869, 15985), (1265, 10981), (1529, 9085), (1817, 7645), (3197, 4345)]