281231544

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:541

約数の個数: 128

約数和(自身を含む): 818657280

約数和(自身を除く): 537425736

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 17, 22, 24, 33, 34, 44, 51, 66, 68, 88, 102, 132, 136, 187, 204, 223, 264, 281, 374, 408, 446, 561, 562, 669, 748, 843, 892, 1122, 1124, 1338, 1496, 1686, 1784, 2244, 2248, 2453, 2676, 3091, 3372, 3791, 4488, 4777, 4906, 5352, 6182, 6744, 7359, 7582, 9273, 9554, 9812, 11373, 12364, 14331, 14718, 15164, 18546, 19108, 19624, 22746, 24728, 28662, 29436, 30328, 37092, 38216, 41701, 45492, 52547, 57324, 58872, 62663, 74184, 83402, 90984, 105094, 114648, 125103, 125326, 157641, 166804, 187989, 210188, 250206, 250652, 315282, 333608, 375978, 420376, 500412, 501304, 630564, 689293, 751956, 1000824, 1065271, 1261128, 1378586, 1503912, 2067879, 2130542, 2757172, 3195813, 4135758, 4261084, 5514344, 6391626, 8271516, 8522168, 11717981, 12783252, 16543032, 23435962, 25566504, 35153943, 46871924, 70307886, 93743848, 140615772, 281231544]

約数ペア:

[(1, 281231544), (2, 140615772), (3, 93743848), (4, 70307886), (6, 46871924), (8, 35153943), (11, 25566504), (12, 23435962), (17, 16543032), (22, 12783252), (24, 11717981), (33, 8522168), (34, 8271516), (44, 6391626), (51, 5514344), (66, 4261084), (68, 4135758), (88, 3195813), (102, 2757172), (132, 2130542), (136, 2067879), (187, 1503912), (204, 1378586), (223, 1261128), (264, 1065271), (281, 1000824), (374, 751956), (408, 689293), (446, 630564), (561, 501304), (562, 500412), (669, 420376), (748, 375978), (843, 333608), (892, 315282), (1122, 250652), (1124, 250206), (1338, 210188), (1496, 187989), (1686, 166804), (1784, 157641), (2244, 125326), (2248, 125103), (2453, 114648), (2676, 105094), (3091, 90984), (3372, 83402), (3791, 74184), (4488, 62663), (4777, 58872), (4906, 57324), (5352, 52547), (6182, 45492), (6744, 41701), (7359, 38216), (7582, 37092), (9273, 30328), (9554, 29436), (9812, 28662), (11373, 24728), (12364, 22746), (14331, 19624), (14718, 19108), (15164, 18546)]