428850721

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{181}}^1$

素因数の和:433

約数の個数: 32

約数和(自身を含む): 501935616

約数和(自身を除く): 73084895

約数列:

[1, 13, 17, 71, 151, 181, 221, 923, 1207, 1963, 2353, 2567, 3077, 10721, 12851, 15691, 27331, 33371, 40001, 139373, 167063, 182257, 218467, 355303, 464627, 1940501, 2369341, 2840071, 6040151, 25226513, 32988517, 428850721]

約数ペア:

[(1, 428850721), (13, 32988517), (17, 25226513), (71, 6040151), (151, 2840071), (181, 2369341), (221, 1940501), (923, 464627), (1207, 355303), (1963, 218467), (2353, 182257), (2567, 167063), (3077, 139373), (10721, 40001), (12851, 33371), (15691, 27331)]