157260761

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{421}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 197860608

約数和(自身を除く): 40599847

約数列:

[1, 7, 17, 43, 73, 119, 301, 421, 511, 731, 1241, 2947, 3139, 5117, 7157, 8687, 18103, 21973, 30733, 50099, 53363, 126721, 215131, 307751, 373541, 522461, 1321519, 2154257, 3657227, 9250633, 22465823, 157260761]

約数ペア:

[(1, 157260761), (7, 22465823), (17, 9250633), (43, 3657227), (73, 2154257), (119, 1321519), (301, 522461), (421, 373541), (511, 307751), (731, 215131), (1241, 126721), (2947, 53363), (3139, 50099), (5117, 30733), (7157, 21973), (8687, 18103)]