77805728

素因数分解:

$2^5\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{347}}^1$

素因数の和:395

約数の個数: 144

約数和(自身を含む): 209944224

約数和(自身を除く): 132138496

約数列:

[1, 2, 4, 7, 8, 11, 13, 14, 16, 22, 26, 28, 32, 44, 49, 52, 56, 77, 88, 91, 98, 104, 112, 143, 154, 176, 182, 196, 208, 224, 286, 308, 347, 352, 364, 392, 416, 539, 572, 616, 637, 694, 728, 784, 1001, 1078, 1144, 1232, 1274, 1388, 1456, 1568, 2002, 2156, 2288, 2429, 2464, 2548, 2776, 2912, 3817, 4004, 4312, 4511, 4576, 4858, 5096, 5552, 7007, 7634, 8008, 8624, 9022, 9716, 10192, 11104, 14014, 15268, 16016, 17003, 17248, 18044, 19432, 20384, 26719, 28028, 30536, 31577, 32032, 34006, 36088, 38864, 49621, 53438, 56056, 61072, 63154, 68012, 72176, 77728, 99242, 106876, 112112, 122144, 126308, 136024, 144352, 187033, 198484, 213752, 221039, 224224, 252616, 272048, 347347, 374066, 396968, 427504, 442078, 505232, 544096, 694694, 748132, 793936, 855008, 884156, 1010464, 1389388, 1496264, 1587872, 1768312, 2431429, 2778776, 2992528, 3536624, 4862858, 5557552, 5985056, 7073248, 9725716, 11115104, 19451432, 38902864, 77805728]

約数ペア:

[(1, 77805728), (2, 38902864), (4, 19451432), (7, 11115104), (8, 9725716), (11, 7073248), (13, 5985056), (14, 5557552), (16, 4862858), (22, 3536624), (26, 2992528), (28, 2778776), (32, 2431429), (44, 1768312), (49, 1587872), (52, 1496264), (56, 1389388), (77, 1010464), (88, 884156), (91, 855008), (98, 793936), (104, 748132), (112, 694694), (143, 544096), (154, 505232), (176, 442078), (182, 427504), (196, 396968), (208, 374066), (224, 347347), (286, 272048), (308, 252616), (347, 224224), (352, 221039), (364, 213752), (392, 198484), (416, 187033), (539, 144352), (572, 136024), (616, 126308), (637, 122144), (694, 112112), (728, 106876), (784, 99242), (1001, 77728), (1078, 72176), (1144, 68012), (1232, 63154), (1274, 61072), (1388, 56056), (1456, 53438), (1568, 49621), (2002, 38864), (2156, 36088), (2288, 34006), (2429, 32032), (2464, 31577), (2548, 30536), (2776, 28028), (2912, 26719), (3817, 20384), (4004, 19432), (4312, 18044), (4511, 17248), (4576, 17003), (4858, 16016), (5096, 15268), (5552, 14014), (7007, 11104), (7634, 10192), (8008, 9716), (8624, 9022)]