1277256589

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{3931}}^1$

素因数の和:4313

約数の個数: 24

約数和(自身を含む): 1568868000

約数和(自身を除く): 291611411

約数列:

[1, 7, 19, 49, 133, 349, 931, 2443, 3931, 6631, 17101, 27517, 46417, 74689, 192619, 324919, 522823, 1371919, 3659761, 9603433, 26066461, 67224031, 182465227, 1277256589]

約数ペア:

[(1, 1277256589), (7, 182465227), (19, 67224031), (49, 26066461), (133, 9603433), (349, 3659761), (931, 1371919), (2443, 522823), (3931, 324919), (6631, 192619), (17101, 74689), (27517, 46417)]