821037728

素因数分解:

$2^5\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1$

素因数の和:208

約数の個数: 192

約数和(自身を含む): 2064384000

約数和(自身を除く): 1243346272

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 31, 32, 38, 49, 56, 62, 76, 98, 112, 124, 127, 133, 152, 196, 217, 224, 248, 254, 266, 304, 343, 392, 434, 496, 508, 532, 589, 608, 686, 784, 868, 889, 931, 992, 1016, 1064, 1178, 1372, 1519, 1568, 1736, 1778, 1862, 2032, 2128, 2356, 2413, 2744, 3038, 3472, 3556, 3724, 3937, 4064, 4123, 4256, 4712, 4826, 5488, 6076, 6223, 6517, 6944, 7112, 7448, 7874, 8246, 9424, 9652, 10633, 10976, 12152, 12446, 13034, 14224, 14896, 15748, 16492, 16891, 18848, 19304, 21266, 24304, 24892, 26068, 27559, 28448, 28861, 29792, 31496, 32984, 33782, 38608, 42532, 43561, 48608, 49784, 52136, 55118, 57722, 62992, 65968, 67564, 74803, 77216, 85064, 87122, 99568, 104272, 110236, 115444, 118237, 125984, 131936, 135128, 149606, 170128, 174244, 192913, 199136, 202027, 208544, 220472, 230888, 236474, 270256, 299212, 340256, 348488, 385826, 404054, 440944, 461776, 472948, 523621, 540512, 598424, 696976, 771652, 808108, 827659, 881888, 923552, 945896, 1047242, 1196848, 1350391, 1393952, 1543304, 1616216, 1655318, 1891792, 2094484, 2393696, 2700782, 3086608, 3232432, 3310636, 3665347, 3783584, 4188968, 5401564, 6173216, 6464864, 6621272, 7330694, 8377936, 10803128, 13242544, 14661388, 16755872, 21606256, 25657429, 26485088, 29322776, 43212512, 51314858, 58645552, 102629716, 117291104, 205259432, 410518864, 821037728]

約数ペア:

[(1, 821037728), (2, 410518864), (4, 205259432), (7, 117291104), (8, 102629716), (14, 58645552), (16, 51314858), (19, 43212512), (28, 29322776), (31, 26485088), (32, 25657429), (38, 21606256), (49, 16755872), (56, 14661388), (62, 13242544), (76, 10803128), (98, 8377936), (112, 7330694), (124, 6621272), (127, 6464864), (133, 6173216), (152, 5401564), (196, 4188968), (217, 3783584), (224, 3665347), (248, 3310636), (254, 3232432), (266, 3086608), (304, 2700782), (343, 2393696), (392, 2094484), (434, 1891792), (496, 1655318), (508, 1616216), (532, 1543304), (589, 1393952), (608, 1350391), (686, 1196848), (784, 1047242), (868, 945896), (889, 923552), (931, 881888), (992, 827659), (1016, 808108), (1064, 771652), (1178, 696976), (1372, 598424), (1519, 540512), (1568, 523621), (1736, 472948), (1778, 461776), (1862, 440944), (2032, 404054), (2128, 385826), (2356, 348488), (2413, 340256), (2744, 299212), (3038, 270256), (3472, 236474), (3556, 230888), (3724, 220472), (3937, 208544), (4064, 202027), (4123, 199136), (4256, 192913), (4712, 174244), (4826, 170128), (5488, 149606), (6076, 135128), (6223, 131936), (6517, 125984), (6944, 118237), (7112, 115444), (7448, 110236), (7874, 104272), (8246, 99568), (9424, 87122), (9652, 85064), (10633, 77216), (10976, 74803), (12152, 67564), (12446, 65968), (13034, 62992), (14224, 57722), (14896, 55118), (15748, 52136), (16492, 49784), (16891, 48608), (18848, 43561), (19304, 42532), (21266, 38608), (24304, 33782), (24892, 32984), (26068, 31496), (27559, 29792), (28448, 28861)]