245613389

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{281}}^1$

素因数の和:461

約数の個数: 32

約数和(自身を含む): 302123520

約数和(自身を除く): 56510131

約数列:

[1, 7, 23, 61, 89, 161, 281, 427, 623, 1403, 1967, 2047, 5429, 6463, 9821, 14329, 17141, 25009, 38003, 45241, 119987, 124867, 175063, 394243, 575207, 874069, 1525549, 2759701, 4026449, 10678843, 35087627, 245613389]

約数ペア:

[(1, 245613389), (7, 35087627), (23, 10678843), (61, 4026449), (89, 2759701), (161, 1525549), (281, 874069), (427, 575207), (623, 394243), (1403, 175063), (1967, 124867), (2047, 119987), (5429, 45241), (6463, 38003), (9821, 25009), (14329, 17141)]