2019910879

素因数分解:

$7^4\times {\mathrm{17}}^2\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:174

約数の個数: 60

約数和(自身を含む): 2600358768

約数和(自身を除く): 580447889

約数列:

[1, 7, 17, 41, 49, 71, 119, 287, 289, 343, 497, 697, 833, 1207, 2009, 2023, 2401, 2911, 3479, 4879, 5831, 8449, 11849, 14063, 14161, 20377, 20519, 24353, 34153, 40817, 49487, 59143, 82943, 98441, 99127, 142639, 143633, 170471, 239071, 346409, 414001, 580601, 693889, 841279, 998473, 1005431, 1673497, 2424863, 2898007, 4064207, 5888953, 6989311, 7038017, 16974041, 28449449, 41222671, 49266119, 118818287, 288558697, 2019910879]

約数ペア:

[(1, 2019910879), (7, 288558697), (17, 118818287), (41, 49266119), (49, 41222671), (71, 28449449), (119, 16974041), (287, 7038017), (289, 6989311), (343, 5888953), (497, 4064207), (697, 2898007), (833, 2424863), (1207, 1673497), (2009, 1005431), (2023, 998473), (2401, 841279), (2911, 693889), (3479, 580601), (4879, 414001), (5831, 346409), (8449, 239071), (11849, 170471), (14063, 143633), (14161, 142639), (20377, 99127), (20519, 98441), (24353, 82943), (34153, 59143), (40817, 49487)]