1971947208

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{809}}^1\times {\mathrm{1319}}^1$

素因数の和:2155

約数の個数: 128

約数和(自身を含む): 6158592000

約数和(自身を除く): 4186644792

約数列:

[1, 2, 3, 4, 6, 7, 8, 11, 12, 14, 21, 22, 24, 28, 33, 42, 44, 56, 66, 77, 84, 88, 132, 154, 168, 231, 264, 308, 462, 616, 809, 924, 1319, 1618, 1848, 2427, 2638, 3236, 3957, 4854, 5276, 5663, 6472, 7914, 8899, 9233, 9708, 10552, 11326, 14509, 15828, 16989, 17798, 18466, 19416, 22652, 26697, 27699, 29018, 31656, 33978, 35596, 36932, 43527, 45304, 53394, 55398, 58036, 62293, 67956, 71192, 73864, 87054, 101563, 106788, 110796, 116072, 124586, 135912, 174108, 186879, 203126, 213576, 221592, 249172, 304689, 348216, 373758, 406252, 498344, 609378, 747516, 812504, 1067071, 1218756, 1495032, 2134142, 2437512, 3201213, 4268284, 6402426, 7469497, 8536568, 11737781, 12804852, 14938994, 22408491, 23475562, 25609704, 29877988, 35213343, 44816982, 46951124, 59755976, 70426686, 82164467, 89633964, 93902248, 140853372, 164328934, 179267928, 246493401, 281706744, 328657868, 492986802, 657315736, 985973604, 1971947208]

約数ペア:

[(1, 1971947208), (2, 985973604), (3, 657315736), (4, 492986802), (6, 328657868), (7, 281706744), (8, 246493401), (11, 179267928), (12, 164328934), (14, 140853372), (21, 93902248), (22, 89633964), (24, 82164467), (28, 70426686), (33, 59755976), (42, 46951124), (44, 44816982), (56, 35213343), (66, 29877988), (77, 25609704), (84, 23475562), (88, 22408491), (132, 14938994), (154, 12804852), (168, 11737781), (231, 8536568), (264, 7469497), (308, 6402426), (462, 4268284), (616, 3201213), (809, 2437512), (924, 2134142), (1319, 1495032), (1618, 1218756), (1848, 1067071), (2427, 812504), (2638, 747516), (3236, 609378), (3957, 498344), (4854, 406252), (5276, 373758), (5663, 348216), (6472, 304689), (7914, 249172), (8899, 221592), (9233, 213576), (9708, 203126), (10552, 186879), (11326, 174108), (14509, 135912), (15828, 124586), (16989, 116072), (17798, 110796), (18466, 106788), (19416, 101563), (22652, 87054), (26697, 73864), (27699, 71192), (29018, 67956), (31656, 62293), (33978, 58036), (35596, 55398), (36932, 53394), (43527, 45304)]