87991848

素因数分解:

$2^3\times 3^2\times 7^4\times {\mathrm{509}}^1$

素因数の和:549

約数の個数: 120

約数和(自身を含む): 278559450

約数和(自身を除く): 190567602

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 49, 56, 63, 72, 84, 98, 126, 147, 168, 196, 252, 294, 343, 392, 441, 504, 509, 588, 686, 882, 1018, 1029, 1176, 1372, 1527, 1764, 2036, 2058, 2401, 2744, 3054, 3087, 3528, 3563, 4072, 4116, 4581, 4802, 6108, 6174, 7126, 7203, 8232, 9162, 9604, 10689, 12216, 12348, 14252, 14406, 18324, 19208, 21378, 21609, 24696, 24941, 28504, 28812, 32067, 36648, 42756, 43218, 49882, 57624, 64134, 74823, 85512, 86436, 99764, 128268, 149646, 172872, 174587, 199528, 224469, 256536, 299292, 349174, 448938, 523761, 598584, 698348, 897876, 1047522, 1222109, 1396696, 1571283, 1795752, 2095044, 2444218, 3142566, 3666327, 4190088, 4888436, 6285132, 7332654, 9776872, 10998981, 12570264, 14665308, 21997962, 29330616, 43995924, 87991848]

約数ペア:

[(1, 87991848), (2, 43995924), (3, 29330616), (4, 21997962), (6, 14665308), (7, 12570264), (8, 10998981), (9, 9776872), (12, 7332654), (14, 6285132), (18, 4888436), (21, 4190088), (24, 3666327), (28, 3142566), (36, 2444218), (42, 2095044), (49, 1795752), (56, 1571283), (63, 1396696), (72, 1222109), (84, 1047522), (98, 897876), (126, 698348), (147, 598584), (168, 523761), (196, 448938), (252, 349174), (294, 299292), (343, 256536), (392, 224469), (441, 199528), (504, 174587), (509, 172872), (588, 149646), (686, 128268), (882, 99764), (1018, 86436), (1029, 85512), (1176, 74823), (1372, 64134), (1527, 57624), (1764, 49882), (2036, 43218), (2058, 42756), (2401, 36648), (2744, 32067), (3054, 28812), (3087, 28504), (3528, 24941), (3563, 24696), (4072, 21609), (4116, 21378), (4581, 19208), (4802, 18324), (6108, 14406), (6174, 14252), (7126, 12348), (7203, 12216), (8232, 10689), (9162, 9604)]