81564224

素因数分解:

$2^6\times 7^2\times {\mathrm{31}}^1\times {\mathrm{839}}^1$

素因数の和:896

約数の個数: 84

約数和(自身を含む): 194584320

約数和(自身を除く): 113020096

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 64, 98, 112, 124, 196, 217, 224, 248, 392, 434, 448, 496, 784, 839, 868, 992, 1519, 1568, 1678, 1736, 1984, 3038, 3136, 3356, 3472, 5873, 6076, 6712, 6944, 11746, 12152, 13424, 13888, 23492, 24304, 26009, 26848, 41111, 46984, 48608, 52018, 53696, 82222, 93968, 97216, 104036, 164444, 182063, 187936, 208072, 328888, 364126, 375872, 416144, 657776, 728252, 832288, 1274441, 1315552, 1456504, 1664576, 2548882, 2631104, 2913008, 5097764, 5826016, 10195528, 11652032, 20391056, 40782112, 81564224]

約数ペア:

[(1, 81564224), (2, 40782112), (4, 20391056), (7, 11652032), (8, 10195528), (14, 5826016), (16, 5097764), (28, 2913008), (31, 2631104), (32, 2548882), (49, 1664576), (56, 1456504), (62, 1315552), (64, 1274441), (98, 832288), (112, 728252), (124, 657776), (196, 416144), (217, 375872), (224, 364126), (248, 328888), (392, 208072), (434, 187936), (448, 182063), (496, 164444), (784, 104036), (839, 97216), (868, 93968), (992, 82222), (1519, 53696), (1568, 52018), (1678, 48608), (1736, 46984), (1984, 41111), (3038, 26848), (3136, 26009), (3356, 24304), (3472, 23492), (5873, 13888), (6076, 13424), (6712, 12152), (6944, 11746)]