491286978

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{5881}}^1$

素因数の和:5929

約数の個数: 128

約数和(自身を含む): 1422973440

約数和(自身を除く): 931686462

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 17, 18, 21, 26, 27, 34, 39, 42, 51, 54, 63, 78, 91, 102, 117, 119, 126, 153, 182, 189, 221, 234, 238, 273, 306, 351, 357, 378, 442, 459, 546, 663, 702, 714, 819, 918, 1071, 1326, 1547, 1638, 1989, 2142, 2457, 3094, 3213, 3978, 4641, 4914, 5881, 5967, 6426, 9282, 11762, 11934, 13923, 17643, 27846, 35286, 41167, 41769, 52929, 76453, 82334, 83538, 99977, 105858, 123501, 152906, 158787, 199954, 229359, 247002, 299931, 317574, 370503, 458718, 535171, 599862, 688077, 699839, 741006, 899793, 1070342, 1111509, 1299701, 1376154, 1399678, 1605513, 1799586, 2064231, 2099517, 2223018, 2599402, 2699379, 3211026, 3899103, 4128462, 4199034, 4816539, 5398758, 6298551, 7798206, 9097907, 9633078, 11697309, 12597102, 14449617, 18195814, 18895653, 23394618, 27293721, 28899234, 35091927, 37791306, 54587442, 70183854, 81881163, 163762326, 245643489, 491286978]

約数ペア:

[(1, 491286978), (2, 245643489), (3, 163762326), (6, 81881163), (7, 70183854), (9, 54587442), (13, 37791306), (14, 35091927), (17, 28899234), (18, 27293721), (21, 23394618), (26, 18895653), (27, 18195814), (34, 14449617), (39, 12597102), (42, 11697309), (51, 9633078), (54, 9097907), (63, 7798206), (78, 6298551), (91, 5398758), (102, 4816539), (117, 4199034), (119, 4128462), (126, 3899103), (153, 3211026), (182, 2699379), (189, 2599402), (221, 2223018), (234, 2099517), (238, 2064231), (273, 1799586), (306, 1605513), (351, 1399678), (357, 1376154), (378, 1299701), (442, 1111509), (459, 1070342), (546, 899793), (663, 741006), (702, 699839), (714, 688077), (819, 599862), (918, 535171), (1071, 458718), (1326, 370503), (1547, 317574), (1638, 299931), (1989, 247002), (2142, 229359), (2457, 199954), (3094, 158787), (3213, 152906), (3978, 123501), (4641, 105858), (4914, 99977), (5881, 83538), (5967, 82334), (6426, 76453), (9282, 52929), (11762, 41769), (11934, 41167), (13923, 35286), (17643, 27846)]