1981128

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1$

素因数の和:166

約数の個数: 64

約数和(自身を含む): 5362560

約数和(自身を除く): 3381432

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 37, 46, 69, 74, 92, 97, 111, 138, 148, 184, 194, 222, 276, 291, 296, 388, 444, 552, 582, 776, 851, 888, 1164, 1702, 2231, 2328, 2553, 3404, 3589, 4462, 5106, 6693, 6808, 7178, 8924, 10212, 10767, 13386, 14356, 17848, 20424, 21534, 26772, 28712, 43068, 53544, 82547, 86136, 165094, 247641, 330188, 495282, 660376, 990564, 1981128]

約数ペア:

[(1, 1981128), (2, 990564), (3, 660376), (4, 495282), (6, 330188), (8, 247641), (12, 165094), (23, 86136), (24, 82547), (37, 53544), (46, 43068), (69, 28712), (74, 26772), (92, 21534), (97, 20424), (111, 17848), (138, 14356), (148, 13386), (184, 10767), (194, 10212), (222, 8924), (276, 7178), (291, 6808), (296, 6693), (388, 5106), (444, 4462), (552, 3589), (582, 3404), (776, 2553), (851, 2328), (888, 2231), (1164, 1702)]