257819016

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1217}}^1$

素因数の和:1343

約数の個数: 128

約数和(自身を含む): 802126080

約数和(自身を除く): 544307064

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 13, 14, 21, 24, 26, 28, 39, 42, 52, 56, 78, 84, 91, 97, 104, 156, 168, 182, 194, 273, 291, 312, 364, 388, 546, 582, 679, 728, 776, 1092, 1164, 1217, 1261, 1358, 2037, 2184, 2328, 2434, 2522, 2716, 3651, 3783, 4074, 4868, 5044, 5432, 7302, 7566, 8148, 8519, 8827, 9736, 10088, 14604, 15132, 15821, 16296, 17038, 17654, 25557, 26481, 29208, 30264, 31642, 34076, 35308, 47463, 51114, 52962, 63284, 68152, 70616, 94926, 102228, 105924, 110747, 118049, 126568, 189852, 204456, 211848, 221494, 236098, 332241, 354147, 379704, 442988, 472196, 664482, 708294, 826343, 885976, 944392, 1328964, 1416588, 1534637, 1652686, 2479029, 2657928, 2833176, 3069274, 3305372, 4603911, 4958058, 6138548, 6610744, 9207822, 9916116, 10742459, 12277096, 18415644, 19832232, 21484918, 32227377, 36831288, 42969836, 64454754, 85939672, 128909508, 257819016]

約数ペア:

[(1, 257819016), (2, 128909508), (3, 85939672), (4, 64454754), (6, 42969836), (7, 36831288), (8, 32227377), (12, 21484918), (13, 19832232), (14, 18415644), (21, 12277096), (24, 10742459), (26, 9916116), (28, 9207822), (39, 6610744), (42, 6138548), (52, 4958058), (56, 4603911), (78, 3305372), (84, 3069274), (91, 2833176), (97, 2657928), (104, 2479029), (156, 1652686), (168, 1534637), (182, 1416588), (194, 1328964), (273, 944392), (291, 885976), (312, 826343), (364, 708294), (388, 664482), (546, 472196), (582, 442988), (679, 379704), (728, 354147), (776, 332241), (1092, 236098), (1164, 221494), (1217, 211848), (1261, 204456), (1358, 189852), (2037, 126568), (2184, 118049), (2328, 110747), (2434, 105924), (2522, 102228), (2716, 94926), (3651, 70616), (3783, 68152), (4074, 63284), (4868, 52962), (5044, 51114), (5432, 47463), (7302, 35308), (7566, 34076), (8148, 31642), (8519, 30264), (8827, 29208), (9736, 26481), (10088, 25557), (14604, 17654), (15132, 17038), (15821, 16296)]