82215728

素因数分解:

$2^4\times 7^3\times {\mathrm{71}}^1\times {\mathrm{211}}^1$

素因数の和:311

約数の個数: 80

約数和(自身を含む): 189273600

約数和(自身を除く): 107057872

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 49, 56, 71, 98, 112, 142, 196, 211, 284, 343, 392, 422, 497, 568, 686, 784, 844, 994, 1136, 1372, 1477, 1688, 1988, 2744, 2954, 3376, 3479, 3976, 5488, 5908, 6958, 7952, 10339, 11816, 13916, 14981, 20678, 23632, 24353, 27832, 29962, 41356, 48706, 55664, 59924, 72373, 82712, 97412, 104867, 119848, 144746, 165424, 194824, 209734, 239696, 289492, 389648, 419468, 578984, 734069, 838936, 1157968, 1468138, 1677872, 2936276, 5138483, 5872552, 10276966, 11745104, 20553932, 41107864, 82215728]

約数ペア:

[(1, 82215728), (2, 41107864), (4, 20553932), (7, 11745104), (8, 10276966), (14, 5872552), (16, 5138483), (28, 2936276), (49, 1677872), (56, 1468138), (71, 1157968), (98, 838936), (112, 734069), (142, 578984), (196, 419468), (211, 389648), (284, 289492), (343, 239696), (392, 209734), (422, 194824), (497, 165424), (568, 144746), (686, 119848), (784, 104867), (844, 97412), (994, 82712), (1136, 72373), (1372, 59924), (1477, 55664), (1688, 48706), (1988, 41356), (2744, 29962), (2954, 27832), (3376, 24353), (3479, 23632), (3976, 20678), (5488, 14981), (5908, 13916), (6958, 11816), (7952, 10339)]