208049051

素因数分解:

$7^4\times {\mathrm{73}}^1\times {\mathrm{1187}}^1$

素因数の和:1288

約数の個数: 20

約数和(自身を含む): 246241512

約数和(自身を除く): 38192461

約数列:

[1, 7, 49, 73, 343, 511, 1187, 2401, 3577, 8309, 25039, 58163, 86651, 175273, 407141, 606557, 2849987, 4245899, 29721293, 208049051]

約数ペア:

[(1, 208049051), (7, 29721293), (49, 4245899), (73, 2849987), (343, 606557), (511, 407141), (1187, 175273), (2401, 86651), (3577, 58163), (8309, 25039)]