131215384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1$

素因数の和:328

約数の個数: 64

約数和(自身を含む): 268738560

約数和(自身を除く): 137523176

約数列:

[1, 2, 4, 8, 17, 34, 68, 71, 107, 127, 136, 142, 214, 254, 284, 428, 508, 568, 856, 1016, 1207, 1819, 2159, 2414, 3638, 4318, 4828, 7276, 7597, 8636, 9017, 9656, 13589, 14552, 15194, 17272, 18034, 27178, 30388, 36068, 54356, 60776, 72136, 108712, 129149, 153289, 231013, 258298, 306578, 462026, 516596, 613156, 924052, 964819, 1033192, 1226312, 1848104, 1929638, 3859276, 7718552, 16401923, 32803846, 65607692, 131215384]

約数ペア:

[(1, 131215384), (2, 65607692), (4, 32803846), (8, 16401923), (17, 7718552), (34, 3859276), (68, 1929638), (71, 1848104), (107, 1226312), (127, 1033192), (136, 964819), (142, 924052), (214, 613156), (254, 516596), (284, 462026), (428, 306578), (508, 258298), (568, 231013), (856, 153289), (1016, 129149), (1207, 108712), (1819, 72136), (2159, 60776), (2414, 54356), (3638, 36068), (4318, 30388), (4828, 27178), (7276, 18034), (7597, 17272), (8636, 15194), (9017, 14552), (9656, 13589)]