80788589

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:309

約数の個数: 32

約数和(自身を含む): 101018880

約数和(自身を除く): 20230291

約数列:

[1, 7, 19, 53, 73, 133, 157, 371, 511, 1007, 1099, 1387, 2983, 3869, 7049, 8321, 9709, 11461, 20881, 27083, 58247, 73511, 80227, 158099, 217759, 514577, 607433, 1106693, 1524313, 4252031, 11541227, 80788589]

約数ペア:

[(1, 80788589), (7, 11541227), (19, 4252031), (53, 1524313), (73, 1106693), (133, 607433), (157, 514577), (371, 217759), (511, 158099), (1007, 80227), (1099, 73511), (1387, 58247), (2983, 27083), (3869, 20881), (7049, 11461), (8321, 9709)]