397331123

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:204

約数の個数: 64

約数和(自身を含む): 529514496

約数和(自身を除く): 132183373

約数列:

[1, 7, 17, 31, 37, 41, 71, 119, 217, 259, 287, 497, 527, 629, 697, 1147, 1207, 1271, 1517, 2201, 2627, 2911, 3689, 4403, 4879, 8029, 8449, 8897, 10619, 15407, 18389, 19499, 20377, 21607, 25789, 37417, 44659, 47027, 49487, 81437, 90241, 107707, 136493, 151249, 180523, 261919, 312613, 329189, 346409, 570059, 631687, 753949, 799459, 1384429, 1534097, 1831019, 3338917, 5596213, 9691003, 10738679, 12817133, 23372419, 56761589, 397331123]

約数ペア:

[(1, 397331123), (7, 56761589), (17, 23372419), (31, 12817133), (37, 10738679), (41, 9691003), (71, 5596213), (119, 3338917), (217, 1831019), (259, 1534097), (287, 1384429), (497, 799459), (527, 753949), (629, 631687), (697, 570059), (1147, 346409), (1207, 329189), (1271, 312613), (1517, 261919), (2201, 180523), (2627, 151249), (2911, 136493), (3689, 107707), (4403, 90241), (4879, 81437), (8029, 49487), (8449, 47027), (8897, 44659), (10619, 37417), (15407, 25789), (18389, 21607), (19499, 20377)]