218877522

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1$

素因数の和:439

約数の個数: 64

約数和(自身を含む): 470292480

約数和(自身を除く): 251414958

約数列:

[1, 2, 3, 6, 23, 46, 69, 71, 89, 138, 142, 178, 213, 251, 267, 426, 502, 534, 753, 1506, 1633, 2047, 3266, 4094, 4899, 5773, 6141, 6319, 9798, 11546, 12282, 12638, 17319, 17821, 18957, 22339, 34638, 35642, 37914, 44678, 53463, 67017, 106926, 134034, 145337, 290674, 409883, 436011, 513797, 819766, 872022, 1027594, 1229649, 1541391, 1586069, 2459298, 3082782, 3172138, 4758207, 9516414, 36479587, 72959174, 109438761, 218877522]

約数ペア:

[(1, 218877522), (2, 109438761), (3, 72959174), (6, 36479587), (23, 9516414), (46, 4758207), (69, 3172138), (71, 3082782), (89, 2459298), (138, 1586069), (142, 1541391), (178, 1229649), (213, 1027594), (251, 872022), (267, 819766), (426, 513797), (502, 436011), (534, 409883), (753, 290674), (1506, 145337), (1633, 134034), (2047, 106926), (3266, 67017), (4094, 53463), (4899, 44678), (5773, 37914), (6141, 35642), (6319, 34638), (9798, 22339), (11546, 18957), (12282, 17821), (12638, 17319)]