64139868

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4421}}^1$

素因数の和:4475

約数の個数: 72

約数和(自身を含む): 180276096

約数和(自身を除く): 116136228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4421, 4836, 7254, 8842, 13263, 14508, 17684, 26526, 39789, 53052, 57473, 79578, 114946, 137051, 159156, 172419, 229892, 274102, 344838, 411153, 517257, 548204, 689676, 822306, 1034514, 1233459, 1644612, 1781663, 2069028, 2466918, 3563326, 4933836, 5344989, 7126652, 10689978, 16034967, 21379956, 32069934, 64139868]

約数ペア:

[(1, 64139868), (2, 32069934), (3, 21379956), (4, 16034967), (6, 10689978), (9, 7126652), (12, 5344989), (13, 4933836), (18, 3563326), (26, 2466918), (31, 2069028), (36, 1781663), (39, 1644612), (52, 1233459), (62, 1034514), (78, 822306), (93, 689676), (117, 548204), (124, 517257), (156, 411153), (186, 344838), (234, 274102), (279, 229892), (372, 172419), (403, 159156), (468, 137051), (558, 114946), (806, 79578), (1116, 57473), (1209, 53052), (1612, 39789), (2418, 26526), (3627, 17684), (4421, 14508), (4836, 13263), (7254, 8842)]