211031849

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{311}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 258785280

約数和(自身を除く): 47753431

約数列:

[1, 7, 31, 53, 59, 217, 311, 371, 413, 1643, 1829, 2177, 3127, 9641, 11501, 12803, 16483, 18349, 21889, 67487, 96937, 115381, 128443, 510973, 568819, 678559, 972497, 3576811, 3981733, 6807479, 30147407, 211031849]

約数ペア:

[(1, 211031849), (7, 30147407), (31, 6807479), (53, 3981733), (59, 3576811), (217, 972497), (311, 678559), (371, 568819), (413, 510973), (1643, 128443), (1829, 115381), (2177, 96937), (3127, 67487), (9641, 21889), (11501, 18349), (12803, 16483)]