208716145

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{1187}}^1$

素因数の和:1365

約数の個数: 32

約数和(自身を含む): 287400960

約数和(自身を除く): 78684815

約数列:

[1, 5, 11, 23, 55, 115, 139, 253, 695, 1187, 1265, 1529, 3197, 5935, 7645, 13057, 15985, 27301, 35167, 65285, 136505, 164993, 175835, 300311, 824965, 1501555, 1814923, 3794839, 9074615, 18974195, 41743229, 208716145]

約数ペア:

[(1, 208716145), (5, 41743229), (11, 18974195), (23, 9074615), (55, 3794839), (115, 1814923), (139, 1501555), (253, 824965), (695, 300311), (1187, 175835), (1265, 164993), (1529, 136505), (3197, 65285), (5935, 35167), (7645, 27301), (13057, 15985)]