217874488

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{443}}^1\times {\mathrm{4729}}^1$

素因数の和:5191

約数の個数: 32

約数和(自身を含む): 441025200

約数和(自身を除く): 223150712

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 443, 886, 1772, 3544, 4729, 5759, 9458, 11518, 18916, 23036, 37832, 46072, 61477, 122954, 245908, 491816, 2094947, 4189894, 8379788, 16759576, 27234311, 54468622, 108937244, 217874488]

約数ペア:

[(1, 217874488), (2, 108937244), (4, 54468622), (8, 27234311), (13, 16759576), (26, 8379788), (52, 4189894), (104, 2094947), (443, 491816), (886, 245908), (1772, 122954), (3544, 61477), (4729, 46072), (5759, 37832), (9458, 23036), (11518, 18916)]