678249944

素因数分解:

$2^3\times {\mathrm{23}}^2\times {\mathrm{139}}^1\times {\mathrm{1153}}^1$

素因数の和:1344

約数の個数: 48

約数和(自身を含む): 1340140200

約数和(自身を除く): 661890256

約数列:

[1, 2, 4, 8, 23, 46, 92, 139, 184, 278, 529, 556, 1058, 1112, 1153, 2116, 2306, 3197, 4232, 4612, 6394, 9224, 12788, 25576, 26519, 53038, 73531, 106076, 147062, 160267, 212152, 294124, 320534, 588248, 609937, 641068, 1219874, 1282136, 2439748, 3686141, 4879496, 7372282, 14744564, 29489128, 84781243, 169562486, 339124972, 678249944]

約数ペア:

[(1, 678249944), (2, 339124972), (4, 169562486), (8, 84781243), (23, 29489128), (46, 14744564), (92, 7372282), (139, 4879496), (184, 3686141), (278, 2439748), (529, 1282136), (556, 1219874), (1058, 641068), (1112, 609937), (1153, 588248), (2116, 320534), (2306, 294124), (3197, 212152), (4232, 160267), (4612, 147062), (6394, 106076), (9224, 73531), (12788, 53038), (25576, 26519)]