81566676

素因数分解:

$2^2\times 3^4\times {\mathrm{29}}^1\times {\mathrm{8681}}^1$

素因数の和:8726

約数の個数: 60

約数和(自身を含む): 220609620

約数和(自身を除く): 139042944

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 29, 36, 54, 58, 81, 87, 108, 116, 162, 174, 261, 324, 348, 522, 783, 1044, 1566, 2349, 3132, 4698, 8681, 9396, 17362, 26043, 34724, 52086, 78129, 104172, 156258, 234387, 251749, 312516, 468774, 503498, 703161, 755247, 937548, 1006996, 1406322, 1510494, 2265741, 2812644, 3020988, 4531482, 6797223, 9062964, 13594446, 20391669, 27188892, 40783338, 81566676]

約数ペア:

[(1, 81566676), (2, 40783338), (3, 27188892), (4, 20391669), (6, 13594446), (9, 9062964), (12, 6797223), (18, 4531482), (27, 3020988), (29, 2812644), (36, 2265741), (54, 1510494), (58, 1406322), (81, 1006996), (87, 937548), (108, 755247), (116, 703161), (162, 503498), (174, 468774), (261, 312516), (324, 251749), (348, 234387), (522, 156258), (783, 104172), (1044, 78129), (1566, 52086), (2349, 34724), (3132, 26043), (4698, 17362), (8681, 9396)]