679651334

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{208099}}^1$

素因数の和:208195

約数の個数: 16

約数和(自身を含む): 1078790400

約数和(自身を除く): 399139066

約数列:

[1, 2, 23, 46, 71, 142, 1633, 3266, 208099, 416198, 4786277, 9572554, 14775029, 29550058, 339825667, 679651334]

約数ペア:

[(1, 679651334), (2, 339825667), (23, 29550058), (46, 14775029), (71, 9572554), (142, 4786277), (1633, 416198), (3266, 208099)]