64687588

素因数分解:

$2^2\times 7^1\times {\mathrm{389}}^1\times {\mathrm{5939}}^1$

素因数の和:6339

約数の個数: 24

約数和(自身を含む): 129729600

約数和(自身を除く): 65042012

約数列:

[1, 2, 4, 7, 14, 28, 389, 778, 1556, 2723, 5446, 5939, 10892, 11878, 23756, 41573, 83146, 166292, 2310271, 4620542, 9241084, 16171897, 32343794, 64687588]

約数ペア:

[(1, 64687588), (2, 32343794), (4, 16171897), (7, 9241084), (14, 4620542), (28, 2310271), (389, 166292), (778, 83146), (1556, 41573), (2723, 23756), (5446, 11878), (5939, 10892)]