291247229

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{193}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 386410752

約数和(自身を除く): 95163523

約数列:

[1, 7, 13, 23, 49, 91, 103, 161, 193, 299, 637, 721, 1127, 1339, 1351, 2093, 2369, 2509, 4439, 5047, 9373, 9457, 14651, 16583, 17563, 19879, 30797, 31073, 57707, 65611, 116081, 122941, 139153, 215579, 217511, 258427, 403949, 457217, 974071, 1509053, 1808989, 2827643, 3200519, 5943821, 12662923, 22403633, 41606747, 291247229]

約数ペア:

[(1, 291247229), (7, 41606747), (13, 22403633), (23, 12662923), (49, 5943821), (91, 3200519), (103, 2827643), (161, 1808989), (193, 1509053), (299, 974071), (637, 457217), (721, 403949), (1127, 258427), (1339, 217511), (1351, 215579), (2093, 139153), (2369, 122941), (2509, 116081), (4439, 65611), (5047, 57707), (9373, 31073), (9457, 30797), (14651, 19879), (16583, 17563)]