248530842

素因数分解:

$2^1\times 3^4\times 7^2\times {\mathrm{131}}^1\times {\mathrm{239}}^1$

素因数の和:398

約数の個数: 120

約数和(自身を含む): 655490880

約数和(自身を除く): 406960038

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 81, 98, 126, 131, 147, 162, 189, 239, 262, 294, 378, 393, 441, 478, 567, 717, 786, 882, 917, 1134, 1179, 1323, 1434, 1673, 1834, 2151, 2358, 2646, 2751, 3346, 3537, 3969, 4302, 5019, 5502, 6419, 6453, 7074, 7938, 8253, 10038, 10611, 11711, 12838, 12906, 15057, 16506, 19257, 19359, 21222, 23422, 24759, 30114, 31309, 35133, 38514, 38718, 45171, 49518, 57771, 62618, 70266, 74277, 90342, 93927, 105399, 115542, 135513, 148554, 173313, 187854, 210798, 219163, 271026, 281781, 316197, 346626, 438326, 519939, 563562, 632394, 657489, 845343, 948591, 1039878, 1314978, 1534141, 1690686, 1897182, 1972467, 2536029, 3068282, 3944934, 4602423, 5072058, 5917401, 9204846, 11834802, 13807269, 17752203, 27614538, 35504406, 41421807, 82843614, 124265421, 248530842]

約数ペア:

[(1, 248530842), (2, 124265421), (3, 82843614), (6, 41421807), (7, 35504406), (9, 27614538), (14, 17752203), (18, 13807269), (21, 11834802), (27, 9204846), (42, 5917401), (49, 5072058), (54, 4602423), (63, 3944934), (81, 3068282), (98, 2536029), (126, 1972467), (131, 1897182), (147, 1690686), (162, 1534141), (189, 1314978), (239, 1039878), (262, 948591), (294, 845343), (378, 657489), (393, 632394), (441, 563562), (478, 519939), (567, 438326), (717, 346626), (786, 316197), (882, 281781), (917, 271026), (1134, 219163), (1179, 210798), (1323, 187854), (1434, 173313), (1673, 148554), (1834, 135513), (2151, 115542), (2358, 105399), (2646, 93927), (2751, 90342), (3346, 74277), (3537, 70266), (3969, 62618), (4302, 57771), (5019, 49518), (5502, 45171), (6419, 38718), (6453, 38514), (7074, 35133), (7938, 31309), (8253, 30114), (10038, 24759), (10611, 23422), (11711, 21222), (12838, 19359), (12906, 19257), (15057, 16506)]