404219998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{21563}}^1$

素因数の和:21688

約数の個数: 32

約数和(自身を含む): 753532416

約数和(自身を除く): 349312418

約数列:

[1, 2, 7, 13, 14, 26, 91, 103, 182, 206, 721, 1339, 1442, 2678, 9373, 18746, 21563, 43126, 150941, 280319, 301882, 560638, 1962233, 2220989, 3924466, 4441978, 15546923, 28872857, 31093846, 57745714, 202109999, 404219998]

約数ペア:

[(1, 404219998), (2, 202109999), (7, 57745714), (13, 31093846), (14, 28872857), (26, 15546923), (91, 4441978), (103, 3924466), (182, 2220989), (206, 1962233), (721, 560638), (1339, 301882), (1442, 280319), (2678, 150941), (9373, 43126), (18746, 21563)]