1283521778

素因数分解:

$2^1\times 7^4\times {\mathrm{11}}^2\times {\mathrm{47}}^2$

素因数の和:146

約数の個数: 90

約数和(自身を含む): 2522420943

約数和(自身を除く): 1238899165

約数列:

[1, 2, 7, 11, 14, 22, 47, 49, 77, 94, 98, 121, 154, 242, 329, 343, 517, 539, 658, 686, 847, 1034, 1078, 1694, 2209, 2303, 2401, 3619, 3773, 4418, 4606, 4802, 5687, 5929, 7238, 7546, 11374, 11858, 15463, 16121, 24299, 25333, 26411, 30926, 32242, 39809, 41503, 48598, 50666, 52822, 79618, 83006, 108241, 112847, 170093, 177331, 216482, 225694, 267289, 278663, 290521, 340186, 354662, 534578, 557326, 581042, 757687, 1190651, 1241317, 1515374, 1871023, 1950641, 2381302, 2482634, 3742046, 3901282, 5303809, 8334557, 10607618, 13097161, 13654487, 16669114, 26194322, 27308974, 58341899, 91680127, 116683798, 183360254, 641760889, 1283521778]

約数ペア:

[(1, 1283521778), (2, 641760889), (7, 183360254), (11, 116683798), (14, 91680127), (22, 58341899), (47, 27308974), (49, 26194322), (77, 16669114), (94, 13654487), (98, 13097161), (121, 10607618), (154, 8334557), (242, 5303809), (329, 3901282), (343, 3742046), (517, 2482634), (539, 2381302), (658, 1950641), (686, 1871023), (847, 1515374), (1034, 1241317), (1078, 1190651), (1694, 757687), (2209, 581042), (2303, 557326), (2401, 534578), (3619, 354662), (3773, 340186), (4418, 290521), (4606, 278663), (4802, 267289), (5687, 225694), (5929, 216482), (7238, 177331), (7546, 170093), (11374, 112847), (11858, 108241), (15463, 83006), (16121, 79618), (24299, 52822), (25333, 50666), (26411, 48598), (30926, 41503), (32242, 39809)]