77605556

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{103}}^1\times {\mathrm{379}}^1$

素因数の和:564

約数の個数: 48

約数和(自身を含む): 159344640

約数和(自身を除く): 81739084

約数列:

[1, 2, 4, 7, 14, 28, 71, 103, 142, 206, 284, 379, 412, 497, 721, 758, 994, 1442, 1516, 1988, 2653, 2884, 5306, 7313, 10612, 14626, 26909, 29252, 39037, 51191, 53818, 78074, 102382, 107636, 156148, 188363, 204764, 273259, 376726, 546518, 753452, 1093036, 2771627, 5543254, 11086508, 19401389, 38802778, 77605556]

約数ペア:

[(1, 77605556), (2, 38802778), (4, 19401389), (7, 11086508), (14, 5543254), (28, 2771627), (71, 1093036), (103, 753452), (142, 546518), (206, 376726), (284, 273259), (379, 204764), (412, 188363), (497, 156148), (721, 107636), (758, 102382), (994, 78074), (1442, 53818), (1516, 51191), (1988, 39037), (2653, 29252), (2884, 26909), (5306, 14626), (7313, 10612)]