285372217

素因数分解:

${\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{1399}}^1$

素因数の和:1513

約数の個数: 24

約数和(自身を含む): 332035200

約数和(自身を除く): 46662983

約数列:

[1, 13, 17, 71, 169, 221, 923, 1207, 1399, 2873, 11999, 15691, 18187, 23783, 99329, 203983, 236431, 309179, 1291277, 1688593, 4019327, 16786601, 21951709, 285372217]

約数ペア:

[(1, 285372217), (13, 21951709), (17, 16786601), (71, 4019327), (169, 1688593), (221, 1291277), (923, 309179), (1207, 236431), (1399, 203983), (2873, 99329), (11999, 23783), (15691, 18187)]