216855793

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:553

約数の個数: 32

約数和(自身を含む): 277625088

約数和(自身を除く): 60769295

約数列:

[1, 7, 11, 61, 77, 137, 337, 427, 671, 959, 1507, 2359, 3707, 4697, 8357, 10549, 20557, 25949, 46169, 58499, 91927, 143899, 226127, 323183, 507859, 643489, 1582889, 2816309, 3555013, 19714163, 30979399, 216855793]

約数ペア:

[(1, 216855793), (7, 30979399), (11, 19714163), (61, 3555013), (77, 2816309), (137, 1582889), (337, 643489), (427, 507859), (671, 323183), (959, 226127), (1507, 143899), (2359, 91927), (3707, 58499), (4697, 46169), (8357, 25949), (10549, 20557)]