64985956

素因数分解:

$2^2\times 7^2\times {\mathrm{131}}^1\times {\mathrm{2531}}^1$

素因数の和:2680

約数の個数: 36

約数和(自身を含む): 133355376

約数和(自身を除く): 68369420

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 131, 196, 262, 524, 917, 1834, 2531, 3668, 5062, 6419, 10124, 12838, 17717, 25676, 35434, 70868, 124019, 248038, 331561, 496076, 663122, 1326244, 2320927, 4641854, 9283708, 16246489, 32492978, 64985956]

約数ペア:

[(1, 64985956), (2, 32492978), (4, 16246489), (7, 9283708), (14, 4641854), (28, 2320927), (49, 1326244), (98, 663122), (131, 496076), (196, 331561), (262, 248038), (524, 124019), (917, 70868), (1834, 35434), (2531, 25676), (3668, 17717), (5062, 12838), (6419, 10124)]