2131995736

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^2$

素因数の和:345

約数の個数: 96

約数和(自身を含む): 4588375680

約数和(自身を除く): 2456379944

約数列:

[1, 2, 4, 8, 13, 26, 31, 41, 52, 62, 82, 104, 124, 127, 164, 248, 254, 328, 403, 508, 533, 806, 1016, 1066, 1271, 1612, 1651, 2132, 2542, 3224, 3302, 3937, 4264, 5084, 5207, 6604, 7874, 10168, 10414, 13208, 15748, 16129, 16523, 20828, 31496, 32258, 33046, 41656, 51181, 64516, 66092, 67691, 102362, 129032, 132184, 135382, 161417, 204724, 209677, 270764, 322834, 409448, 419354, 499999, 541528, 645668, 661289, 838708, 999998, 1291336, 1322578, 1677416, 1999996, 2098421, 2645156, 3999992, 4196842, 5290312, 6499987, 8393684, 8596757, 12999974, 16787368, 17193514, 20499959, 25999948, 34387028, 40999918, 51999896, 68774056, 81999836, 163999672, 266499467, 532998934, 1065997868, 2131995736]

約数ペア:

[(1, 2131995736), (2, 1065997868), (4, 532998934), (8, 266499467), (13, 163999672), (26, 81999836), (31, 68774056), (41, 51999896), (52, 40999918), (62, 34387028), (82, 25999948), (104, 20499959), (124, 17193514), (127, 16787368), (164, 12999974), (248, 8596757), (254, 8393684), (328, 6499987), (403, 5290312), (508, 4196842), (533, 3999992), (806, 2645156), (1016, 2098421), (1066, 1999996), (1271, 1677416), (1612, 1322578), (1651, 1291336), (2132, 999998), (2542, 838708), (3224, 661289), (3302, 645668), (3937, 541528), (4264, 499999), (5084, 419354), (5207, 409448), (6604, 322834), (7874, 270764), (10168, 209677), (10414, 204724), (13208, 161417), (15748, 135382), (16129, 132184), (16523, 129032), (20828, 102362), (31496, 67691), (32258, 66092), (33046, 64516), (41656, 51181)]