404658394

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1\times {\mathrm{2593}}^1$

素因数の和:2830

約数の個数: 32

約数和(自身を含む): 708224256

約数和(自身を除く): 303565862

約数列:

[1, 2, 7, 14, 71, 142, 157, 314, 497, 994, 1099, 2198, 2593, 5186, 11147, 18151, 22294, 36302, 78029, 156058, 184103, 368206, 407101, 814202, 1288721, 2577442, 2849707, 5699414, 28904171, 57808342, 202329197, 404658394]

約数ペア:

[(1, 404658394), (2, 202329197), (7, 57808342), (14, 28904171), (71, 5699414), (142, 2849707), (157, 2577442), (314, 1288721), (497, 814202), (994, 407101), (1099, 368206), (2198, 184103), (2593, 156058), (5186, 78029), (11147, 36302), (18151, 22294)]