255551219

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{16349}}^1$

素因数の和:16403

約数の個数: 24

約数和(自身を含む): 335502000

約数和(自身を除く): 79950781

約数列:

[1, 7, 11, 29, 49, 77, 203, 319, 539, 1421, 2233, 15631, 16349, 114443, 179839, 474121, 801101, 1258873, 3318847, 5215331, 8812111, 23231929, 36507317, 255551219]

約数ペア:

[(1, 255551219), (7, 36507317), (11, 23231929), (29, 8812111), (49, 5215331), (77, 3318847), (203, 1258873), (319, 801101), (539, 474121), (1421, 179839), (2233, 114443), (15631, 16349)]