64039276

素因数分解:

$2^2\times 7^2\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1238

約数の個数: 36

約数和(自身を含む): 130852848

約数和(自身を除く): 66813572

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 397, 794, 823, 1588, 1646, 2779, 3292, 5558, 5761, 11116, 11522, 19453, 23044, 38906, 40327, 77812, 80654, 161308, 326731, 653462, 1306924, 2287117, 4574234, 9148468, 16009819, 32019638, 64039276]

約数ペア:

[(1, 64039276), (2, 32019638), (4, 16009819), (7, 9148468), (14, 4574234), (28, 2287117), (49, 1306924), (98, 653462), (196, 326731), (397, 161308), (794, 80654), (823, 77812), (1588, 40327), (1646, 38906), (2779, 23044), (3292, 19453), (5558, 11522), (5761, 11116)]