80290847

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1$

素因数の和:168

約数の個数: 48

約数和(自身を含む): 108928512

約数和(自身を除く): 28637665

約数列:

[1, 7, 13, 17, 43, 71, 91, 119, 221, 289, 301, 497, 559, 731, 923, 1207, 1547, 2023, 3053, 3757, 3913, 5117, 6461, 8449, 9503, 12427, 15691, 20519, 21371, 26299, 39689, 51901, 66521, 86989, 109837, 143633, 161551, 266747, 277823, 363307, 674713, 882317, 1130857, 1867229, 4722991, 6176219, 11470121, 80290847]

約数ペア:

[(1, 80290847), (7, 11470121), (13, 6176219), (17, 4722991), (43, 1867229), (71, 1130857), (91, 882317), (119, 674713), (221, 363307), (289, 277823), (301, 266747), (497, 161551), (559, 143633), (731, 109837), (923, 86989), (1207, 66521), (1547, 51901), (2023, 39689), (3053, 26299), (3757, 21371), (3913, 20519), (5117, 15691), (6461, 12427), (8449, 9503)]