1212762005

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{173}}^1$

素因数の和:307

約数の個数: 96

約数和(自身を含む): 1919490048

約数和(自身を除く): 706728043

約数列:

[1, 5, 7, 13, 31, 35, 49, 65, 71, 91, 155, 173, 217, 245, 355, 403, 455, 497, 637, 865, 923, 1085, 1211, 1519, 2015, 2201, 2249, 2485, 2821, 3185, 3479, 4615, 5363, 6055, 6461, 7595, 8477, 11005, 11245, 12283, 14105, 15407, 15743, 17395, 19747, 26815, 28613, 32305, 37541, 42385, 45227, 61415, 69719, 77035, 78715, 85981, 98735, 107849, 110201, 143065, 159679, 187705, 200291, 226135, 262787, 348595, 380773, 429905, 488033, 539245, 551005, 601867, 798395, 1001455, 1117753, 1313935, 1402037, 1903865, 2440165, 2665411, 3009335, 3416231, 4950049, 5588765, 7010185, 7824271, 13327055, 17081155, 18657877, 24750245, 34650343, 39121355, 93289385, 173251715, 242552401, 1212762005]

約数ペア:

[(1, 1212762005), (5, 242552401), (7, 173251715), (13, 93289385), (31, 39121355), (35, 34650343), (49, 24750245), (65, 18657877), (71, 17081155), (91, 13327055), (155, 7824271), (173, 7010185), (217, 5588765), (245, 4950049), (355, 3416231), (403, 3009335), (455, 2665411), (497, 2440165), (637, 1903865), (865, 1402037), (923, 1313935), (1085, 1117753), (1211, 1001455), (1519, 798395), (2015, 601867), (2201, 551005), (2249, 539245), (2485, 488033), (2821, 429905), (3185, 380773), (3479, 348595), (4615, 262787), (5363, 226135), (6055, 200291), (6461, 187705), (7595, 159679), (8477, 143065), (11005, 110201), (11245, 107849), (12283, 98735), (14105, 85981), (15407, 78715), (15743, 77035), (17395, 69719), (19747, 61415), (26815, 45227), (28613, 42385), (32305, 37541)]