128078552

素因数分解:

$2^3\times 7^2\times {\mathrm{397}}^1\times {\mathrm{823}}^1$

素因数の和:1240

約数の個数: 48

約数和(自身を含む): 280398960

約数和(自身を除く): 152320408

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 397, 794, 823, 1588, 1646, 2779, 3176, 3292, 5558, 5761, 6584, 11116, 11522, 19453, 22232, 23044, 38906, 40327, 46088, 77812, 80654, 155624, 161308, 322616, 326731, 653462, 1306924, 2287117, 2613848, 4574234, 9148468, 16009819, 18296936, 32019638, 64039276, 128078552]

約数ペア:

[(1, 128078552), (2, 64039276), (4, 32019638), (7, 18296936), (8, 16009819), (14, 9148468), (28, 4574234), (49, 2613848), (56, 2287117), (98, 1306924), (196, 653462), (392, 326731), (397, 322616), (794, 161308), (823, 155624), (1588, 80654), (1646, 77812), (2779, 46088), (3176, 40327), (3292, 38906), (5558, 23044), (5761, 22232), (6584, 19453), (11116, 11522)]