187661804

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1$

素因数の和:267

約数の個数: 72

約数和(自身を含む): 377524224

約数和(自身を除く): 189862420

約数列:

[1, 2, 4, 11, 22, 43, 44, 71, 86, 121, 127, 142, 172, 242, 254, 284, 473, 484, 508, 781, 946, 1397, 1562, 1892, 2794, 3053, 3124, 5203, 5461, 5588, 6106, 8591, 9017, 10406, 10922, 12212, 15367, 17182, 18034, 20812, 21844, 30734, 33583, 34364, 36068, 60071, 61468, 67166, 99187, 120142, 134332, 198374, 240284, 369413, 387731, 396748, 660781, 738826, 775462, 1091057, 1321562, 1477652, 1550924, 2182114, 2643124, 4265041, 4364228, 8530082, 17060164, 46915451, 93830902, 187661804]

約数ペア:

[(1, 187661804), (2, 93830902), (4, 46915451), (11, 17060164), (22, 8530082), (43, 4364228), (44, 4265041), (71, 2643124), (86, 2182114), (121, 1550924), (127, 1477652), (142, 1321562), (172, 1091057), (242, 775462), (254, 738826), (284, 660781), (473, 396748), (484, 387731), (508, 369413), (781, 240284), (946, 198374), (1397, 134332), (1562, 120142), (1892, 99187), (2794, 67166), (3053, 61468), (3124, 60071), (5203, 36068), (5461, 34364), (5588, 33583), (6106, 30734), (8591, 21844), (9017, 20812), (10406, 18034), (10922, 17182), (12212, 15367)]