208205426

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{229}}^1$

素因数の和:300

約数の個数: 72

約数和(自身を含む): 394427460

約数和(自身を除く): 186222034

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 121, 143, 187, 221, 229, 242, 286, 289, 374, 442, 458, 578, 1573, 2057, 2431, 2519, 2977, 3146, 3179, 3757, 3893, 4114, 4862, 5038, 5954, 6358, 7514, 7786, 26741, 27709, 32747, 34969, 41327, 42823, 50609, 53482, 55418, 65494, 66181, 69938, 82654, 85646, 101218, 132362, 360217, 454597, 471053, 556699, 720434, 727991, 860353, 909194, 942106, 1113398, 1455982, 1720706, 6123689, 8007901, 9463883, 12247378, 16015802, 18927766, 104102713, 208205426]

約数ペア:

[(1, 208205426), (2, 104102713), (11, 18927766), (13, 16015802), (17, 12247378), (22, 9463883), (26, 8007901), (34, 6123689), (121, 1720706), (143, 1455982), (187, 1113398), (221, 942106), (229, 909194), (242, 860353), (286, 727991), (289, 720434), (374, 556699), (442, 471053), (458, 454597), (578, 360217), (1573, 132362), (2057, 101218), (2431, 85646), (2519, 82654), (2977, 69938), (3146, 66181), (3179, 65494), (3757, 55418), (3893, 53482), (4114, 50609), (4862, 42823), (5038, 41327), (5954, 34969), (6358, 32747), (7514, 27709), (7786, 26741)]