821999376

素因数分解:

$2^4\times 3^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{7309}}^1$

素因数の和:7405

約数の個数: 120

約数和(自身を含む): 2545283520

約数和(自身を除く): 1723284144

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 33, 36, 44, 48, 66, 71, 72, 88, 99, 132, 142, 144, 176, 198, 213, 264, 284, 396, 426, 528, 568, 639, 781, 792, 852, 1136, 1278, 1562, 1584, 1704, 2343, 2556, 3124, 3408, 4686, 5112, 6248, 7029, 7309, 9372, 10224, 12496, 14058, 14618, 18744, 21927, 28116, 29236, 37488, 43854, 56232, 58472, 65781, 80399, 87708, 112464, 116944, 131562, 160798, 175416, 241197, 263124, 321596, 350832, 482394, 518939, 526248, 643192, 723591, 964788, 1037878, 1052496, 1286384, 1447182, 1556817, 1929576, 2075756, 2894364, 3113634, 3859152, 4151512, 4670451, 5708329, 5788728, 6227268, 8303024, 9340902, 11416658, 11577456, 12454536, 17124987, 18681804, 22833316, 24909072, 34249974, 37363608, 45666632, 51374961, 68499948, 74727216, 91333264, 102749922, 136999896, 205499844, 273999792, 410999688, 821999376]

約数ペア:

[(1, 821999376), (2, 410999688), (3, 273999792), (4, 205499844), (6, 136999896), (8, 102749922), (9, 91333264), (11, 74727216), (12, 68499948), (16, 51374961), (18, 45666632), (22, 37363608), (24, 34249974), (33, 24909072), (36, 22833316), (44, 18681804), (48, 17124987), (66, 12454536), (71, 11577456), (72, 11416658), (88, 9340902), (99, 8303024), (132, 6227268), (142, 5788728), (144, 5708329), (176, 4670451), (198, 4151512), (213, 3859152), (264, 3113634), (284, 2894364), (396, 2075756), (426, 1929576), (528, 1556817), (568, 1447182), (639, 1286384), (781, 1052496), (792, 1037878), (852, 964788), (1136, 723591), (1278, 643192), (1562, 526248), (1584, 518939), (1704, 482394), (2343, 350832), (2556, 321596), (3124, 263124), (3408, 241197), (4686, 175416), (5112, 160798), (6248, 131562), (7029, 116944), (7309, 112464), (9372, 87708), (10224, 80399), (12496, 65781), (14058, 58472), (14618, 56232), (18744, 43854), (21927, 37488), (28116, 29236)]