2891247568

素因数分解:

$2^4\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2239}}^1$

素因数の和:2321

約数の個数: 120

約数和(自身を含む): 6649574400

約数和(自身を除く): 3758326832

約数列:

[1, 2, 4, 8, 11, 16, 22, 23, 29, 44, 46, 58, 88, 92, 116, 121, 176, 184, 232, 242, 253, 319, 368, 464, 484, 506, 638, 667, 968, 1012, 1276, 1334, 1936, 2024, 2239, 2552, 2668, 2783, 3509, 4048, 4478, 5104, 5336, 5566, 7018, 7337, 8956, 10672, 11132, 14036, 14674, 17912, 22264, 24629, 28072, 29348, 35824, 44528, 49258, 51497, 56144, 58696, 64931, 80707, 98516, 102994, 117392, 129862, 161414, 197032, 205988, 259724, 270919, 322828, 394064, 411976, 519448, 541838, 566467, 645656, 714241, 823952, 1038896, 1083676, 1132934, 1291312, 1428482, 1493413, 2167352, 2265868, 2856964, 2986826, 4334704, 4531736, 5713928, 5973652, 6231137, 7856651, 9063472, 11427856, 11947304, 12462274, 15713302, 16427543, 23894608, 24924548, 31426604, 32855086, 49849096, 62853208, 65710172, 99698192, 125706416, 131420344, 180702973, 262840688, 361405946, 722811892, 1445623784, 2891247568]

約数ペア:

[(1, 2891247568), (2, 1445623784), (4, 722811892), (8, 361405946), (11, 262840688), (16, 180702973), (22, 131420344), (23, 125706416), (29, 99698192), (44, 65710172), (46, 62853208), (58, 49849096), (88, 32855086), (92, 31426604), (116, 24924548), (121, 23894608), (176, 16427543), (184, 15713302), (232, 12462274), (242, 11947304), (253, 11427856), (319, 9063472), (368, 7856651), (464, 6231137), (484, 5973652), (506, 5713928), (638, 4531736), (667, 4334704), (968, 2986826), (1012, 2856964), (1276, 2265868), (1334, 2167352), (1936, 1493413), (2024, 1428482), (2239, 1291312), (2552, 1132934), (2668, 1083676), (2783, 1038896), (3509, 823952), (4048, 714241), (4478, 645656), (5104, 566467), (5336, 541838), (5566, 519448), (7018, 411976), (7337, 394064), (8956, 322828), (10672, 270919), (11132, 259724), (14036, 205988), (14674, 197032), (17912, 161414), (22264, 129862), (24629, 117392), (28072, 102994), (29348, 98516), (35824, 80707), (44528, 64931), (49258, 58696), (51497, 56144)]