2190978867

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{277}}^1\times {\mathrm{353}}^1$

素因数の和:748

約数の個数: 64

約数和(自身を含む): 3703440384

約数和(自身を除く): 1512461517

約数列:

[1, 3, 7, 11, 21, 33, 77, 97, 231, 277, 291, 353, 679, 831, 1059, 1067, 1939, 2037, 2471, 3047, 3201, 3883, 5817, 7413, 7469, 9141, 11649, 21329, 22407, 26869, 27181, 34241, 63987, 80607, 81543, 97781, 102723, 188083, 239687, 293343, 295559, 376651, 564249, 684467, 719061, 886677, 1075591, 1129953, 2053401, 2068913, 2636557, 3226773, 6206739, 7529137, 7909671, 9484757, 22587411, 28454271, 66393299, 104332327, 199179897, 312996981, 730326289, 2190978867]

約数ペア:

[(1, 2190978867), (3, 730326289), (7, 312996981), (11, 199179897), (21, 104332327), (33, 66393299), (77, 28454271), (97, 22587411), (231, 9484757), (277, 7909671), (291, 7529137), (353, 6206739), (679, 3226773), (831, 2636557), (1059, 2068913), (1067, 2053401), (1939, 1129953), (2037, 1075591), (2471, 886677), (3047, 719061), (3201, 684467), (3883, 564249), (5817, 376651), (7413, 295559), (7469, 293343), (9141, 239687), (11649, 188083), (21329, 102723), (22407, 97781), (26869, 81543), (27181, 80607), (34241, 63987)]