87404408

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1$

素因数の和:205

約数の個数: 128

約数和(自身を含む): 217728000

約数和(自身を除く): 130323592

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 71, 76, 89, 91, 104, 133, 142, 152, 178, 182, 247, 266, 284, 356, 364, 494, 497, 532, 568, 623, 712, 728, 923, 988, 994, 1064, 1157, 1246, 1349, 1691, 1729, 1846, 1976, 1988, 2314, 2492, 2698, 3382, 3458, 3692, 3976, 4628, 4984, 5396, 6319, 6461, 6764, 6916, 7384, 8099, 9256, 9443, 10792, 11837, 12638, 12922, 13528, 13832, 16198, 17537, 18886, 21983, 23674, 25276, 25844, 32396, 35074, 37772, 43966, 44233, 47348, 50552, 51688, 64792, 70148, 75544, 82147, 87932, 88466, 94696, 120061, 122759, 140296, 153881, 164294, 175864, 176932, 240122, 245518, 307762, 328588, 353864, 480244, 491036, 575029, 615524, 657176, 840427, 960488, 982072, 1150058, 1231048, 1560793, 1680854, 2300116, 3121586, 3361708, 4600232, 6243172, 6723416, 10925551, 12486344, 21851102, 43702204, 87404408]

約数ペア:

[(1, 87404408), (2, 43702204), (4, 21851102), (7, 12486344), (8, 10925551), (13, 6723416), (14, 6243172), (19, 4600232), (26, 3361708), (28, 3121586), (38, 2300116), (52, 1680854), (56, 1560793), (71, 1231048), (76, 1150058), (89, 982072), (91, 960488), (104, 840427), (133, 657176), (142, 615524), (152, 575029), (178, 491036), (182, 480244), (247, 353864), (266, 328588), (284, 307762), (356, 245518), (364, 240122), (494, 176932), (497, 175864), (532, 164294), (568, 153881), (623, 140296), (712, 122759), (728, 120061), (923, 94696), (988, 88466), (994, 87932), (1064, 82147), (1157, 75544), (1246, 70148), (1349, 64792), (1691, 51688), (1729, 50552), (1846, 47348), (1976, 44233), (1988, 43966), (2314, 37772), (2492, 35074), (2698, 32396), (3382, 25844), (3458, 25276), (3692, 23674), (3976, 21983), (4628, 18886), (4984, 17537), (5396, 16198), (6319, 13832), (6461, 13528), (6764, 12922), (6916, 12638), (7384, 11837), (8099, 10792), (9256, 9443)]