25213838881

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{337}}^1\times {\mathrm{937}}^1$

素因数の和:1370

約数の個数: 64

約数和(自身を含む): 33966825984

約数和(自身を除く): 8752987103

約数列:

[1, 7, 11, 17, 61, 77, 119, 187, 337, 427, 671, 937, 1037, 1309, 2359, 3707, 4697, 5729, 6559, 7259, 10307, 11407, 15929, 20557, 25949, 40103, 57157, 63019, 72149, 79849, 111503, 143899, 175219, 226127, 315769, 349469, 400099, 441133, 628727, 971669, 1226533, 1582889, 2210383, 2446283, 3473459, 3844159, 4401089, 5368073, 6801683, 10688359, 19261909, 24314213, 26909113, 37576511, 59048803, 74818513, 134833363, 211880999, 327452453, 413341621, 1483166993, 2292167171, 3601976983, 25213838881]

約数ペア:

[(1, 25213838881), (7, 3601976983), (11, 2292167171), (17, 1483166993), (61, 413341621), (77, 327452453), (119, 211880999), (187, 134833363), (337, 74818513), (427, 59048803), (671, 37576511), (937, 26909113), (1037, 24314213), (1309, 19261909), (2359, 10688359), (3707, 6801683), (4697, 5368073), (5729, 4401089), (6559, 3844159), (7259, 3473459), (10307, 2446283), (11407, 2210383), (15929, 1582889), (20557, 1226533), (25949, 971669), (40103, 628727), (57157, 441133), (63019, 400099), (72149, 349469), (79849, 315769), (111503, 226127), (143899, 175219)]