64811628

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{257189}}^1$

素因数の和:257206

約数の個数: 36

約数和(自身を含む): 187234320

約数和(自身を除く): 122422692

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 257189, 514378, 771567, 1028756, 1543134, 1800323, 2314701, 3086268, 3600646, 4629402, 5400969, 7201292, 9258804, 10801938, 16202907, 21603876, 32405814, 64811628]

約数ペア:

[(1, 64811628), (2, 32405814), (3, 21603876), (4, 16202907), (6, 10801938), (7, 9258804), (9, 7201292), (12, 5400969), (14, 4629402), (18, 3600646), (21, 3086268), (28, 2314701), (36, 1800323), (42, 1543134), (63, 1028756), (84, 771567), (126, 514378), (252, 257189)]