778869014

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{3457}}^1$

素因数の和:3514

約数の個数: 72

約数和(自身を含む): 1572905880

約数和(自身を除く): 794036866

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 49, 77, 98, 121, 133, 154, 209, 242, 266, 418, 539, 847, 931, 1078, 1463, 1694, 1862, 2299, 2926, 3457, 4598, 5929, 6914, 10241, 11858, 16093, 20482, 24199, 32186, 38027, 48398, 65683, 76054, 112651, 131366, 169393, 225302, 266189, 338786, 418297, 459781, 532378, 722513, 836594, 919562, 1445026, 1863323, 2928079, 3218467, 3726646, 5057591, 5856158, 6436934, 7947643, 10115182, 15895286, 20496553, 35403137, 40993106, 55633501, 70806274, 111267002, 389434507, 778869014]

約数ペア:

[(1, 778869014), (2, 389434507), (7, 111267002), (11, 70806274), (14, 55633501), (19, 40993106), (22, 35403137), (38, 20496553), (49, 15895286), (77, 10115182), (98, 7947643), (121, 6436934), (133, 5856158), (154, 5057591), (209, 3726646), (242, 3218467), (266, 2928079), (418, 1863323), (539, 1445026), (847, 919562), (931, 836594), (1078, 722513), (1463, 532378), (1694, 459781), (1862, 418297), (2299, 338786), (2926, 266189), (3457, 225302), (4598, 169393), (5929, 131366), (6914, 112651), (10241, 76054), (11858, 65683), (16093, 48398), (20482, 38027), (24199, 32186)]