64973321

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{347}}^1\times {\mathrm{1163}}^1$

素因数の和:1540

約数の個数: 16

約数和(自身を含む): 77773824

約数和(自身を除く): 12800503

約数列:

[1, 7, 23, 161, 347, 1163, 2429, 7981, 8141, 26749, 55867, 187243, 403561, 2824927, 9281903, 64973321]

約数ペア:

[(1, 64973321), (7, 9281903), (23, 2824927), (161, 403561), (347, 187243), (1163, 55867), (2429, 26749), (7981, 8141)]