81218676

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{433}}^1$

素因数の和:494

約数の個数: 144

約数和(自身を含む): 249359040

約数和(自身を除く): 168140364

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 21, 22, 28, 29, 33, 42, 44, 49, 58, 66, 77, 84, 87, 98, 116, 132, 147, 154, 174, 196, 203, 231, 294, 308, 319, 348, 406, 433, 462, 539, 588, 609, 638, 812, 866, 924, 957, 1078, 1218, 1276, 1299, 1421, 1617, 1732, 1914, 2156, 2233, 2436, 2598, 2842, 3031, 3234, 3828, 4263, 4466, 4763, 5196, 5684, 6062, 6468, 6699, 8526, 8932, 9093, 9526, 12124, 12557, 13398, 14289, 15631, 17052, 18186, 19052, 21217, 25114, 26796, 28578, 31262, 33341, 36372, 37671, 42434, 46893, 50228, 57156, 62524, 63651, 66682, 75342, 84868, 87899, 93786, 100023, 127302, 133364, 138127, 150684, 175798, 187572, 200046, 233387, 254604, 263697, 276254, 351596, 400092, 414381, 466774, 527394, 552508, 615293, 700161, 828762, 933548, 966889, 1054788, 1230586, 1400322, 1657524, 1845879, 1933778, 2461172, 2800644, 2900667, 3691758, 3867556, 5801334, 6768223, 7383516, 11602668, 13536446, 20304669, 27072892, 40609338, 81218676]

約数ペア:

[(1, 81218676), (2, 40609338), (3, 27072892), (4, 20304669), (6, 13536446), (7, 11602668), (11, 7383516), (12, 6768223), (14, 5801334), (21, 3867556), (22, 3691758), (28, 2900667), (29, 2800644), (33, 2461172), (42, 1933778), (44, 1845879), (49, 1657524), (58, 1400322), (66, 1230586), (77, 1054788), (84, 966889), (87, 933548), (98, 828762), (116, 700161), (132, 615293), (147, 552508), (154, 527394), (174, 466774), (196, 414381), (203, 400092), (231, 351596), (294, 276254), (308, 263697), (319, 254604), (348, 233387), (406, 200046), (433, 187572), (462, 175798), (539, 150684), (588, 138127), (609, 133364), (638, 127302), (812, 100023), (866, 93786), (924, 87899), (957, 84868), (1078, 75342), (1218, 66682), (1276, 63651), (1299, 62524), (1421, 57156), (1617, 50228), (1732, 46893), (1914, 42434), (2156, 37671), (2233, 36372), (2436, 33341), (2598, 31262), (2842, 28578), (3031, 26796), (3234, 25114), (3828, 21217), (4263, 19052), (4466, 18186), (4763, 17052), (5196, 15631), (5684, 14289), (6062, 13398), (6468, 12557), (6699, 12124), (8526, 9526), (8932, 9093)]