81818484

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{101}}^1$

素因数の和:174

約数の個数: 144

約数和(自身を含む): 235037376

約数和(自身を除く): 153218892

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 19, 22, 33, 34, 38, 44, 51, 57, 66, 68, 76, 101, 102, 114, 132, 187, 202, 204, 209, 228, 303, 323, 361, 374, 404, 418, 561, 606, 627, 646, 722, 748, 836, 969, 1083, 1111, 1122, 1212, 1254, 1292, 1444, 1717, 1919, 1938, 2166, 2222, 2244, 2508, 3333, 3434, 3553, 3838, 3876, 3971, 4332, 4444, 5151, 5757, 6137, 6666, 6868, 7106, 7676, 7942, 10302, 10659, 11514, 11913, 12274, 13332, 14212, 15884, 18411, 18887, 20604, 21109, 21318, 23028, 23826, 24548, 32623, 36461, 36822, 37774, 42218, 42636, 47652, 56661, 63327, 65246, 67507, 72922, 73644, 75548, 84436, 97869, 109383, 113322, 126654, 130492, 135014, 145844, 195738, 202521, 218766, 226644, 253308, 270028, 358853, 391476, 401071, 405042, 437532, 619837, 717706, 802142, 810084, 1076559, 1203213, 1239674, 1435412, 1604284, 1859511, 2153118, 2406426, 2479348, 3719022, 4306236, 4812852, 6818207, 7438044, 13636414, 20454621, 27272828, 40909242, 81818484]

約数ペア:

[(1, 81818484), (2, 40909242), (3, 27272828), (4, 20454621), (6, 13636414), (11, 7438044), (12, 6818207), (17, 4812852), (19, 4306236), (22, 3719022), (33, 2479348), (34, 2406426), (38, 2153118), (44, 1859511), (51, 1604284), (57, 1435412), (66, 1239674), (68, 1203213), (76, 1076559), (101, 810084), (102, 802142), (114, 717706), (132, 619837), (187, 437532), (202, 405042), (204, 401071), (209, 391476), (228, 358853), (303, 270028), (323, 253308), (361, 226644), (374, 218766), (404, 202521), (418, 195738), (561, 145844), (606, 135014), (627, 130492), (646, 126654), (722, 113322), (748, 109383), (836, 97869), (969, 84436), (1083, 75548), (1111, 73644), (1122, 72922), (1212, 67507), (1254, 65246), (1292, 63327), (1444, 56661), (1717, 47652), (1919, 42636), (1938, 42218), (2166, 37774), (2222, 36822), (2244, 36461), (2508, 32623), (3333, 24548), (3434, 23826), (3553, 23028), (3838, 21318), (3876, 21109), (3971, 20604), (4332, 18887), (4444, 18411), (5151, 15884), (5757, 14212), (6137, 13332), (6666, 12274), (6868, 11913), (7106, 11514), (7676, 10659), (7942, 10302)]