398368817

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{1063}}^1$

素因数の和:1269

約数の個数: 32

約数和(自身を含む): 516440064

約数和(自身を除く): 118071247

約数列:

[1, 7, 11, 31, 77, 157, 217, 341, 1063, 1099, 1727, 2387, 4867, 7441, 11693, 12089, 32953, 34069, 53537, 81851, 166891, 230671, 362483, 374759, 1168237, 1835801, 2537381, 5173621, 12850607, 36215347, 56909831, 398368817]

約数ペア:

[(1, 398368817), (7, 56909831), (11, 36215347), (31, 12850607), (77, 5173621), (157, 2537381), (217, 1835801), (341, 1168237), (1063, 374759), (1099, 362483), (1727, 230671), (2387, 166891), (4867, 81851), (7441, 53537), (11693, 34069), (12089, 32953)]