81574448

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{29}}^1\times {\mathrm{487}}^1$

素因数の和:562

約数の個数: 60

約数和(自身を含む): 172913040

約数和(自身を除く): 91338592

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 361, 464, 487, 551, 722, 974, 1102, 1444, 1948, 2204, 2888, 3896, 4408, 5776, 7792, 8816, 9253, 10469, 14123, 18506, 20938, 28246, 37012, 41876, 56492, 74024, 83752, 112984, 148048, 167504, 175807, 225968, 268337, 351614, 536674, 703228, 1073348, 1406456, 2146696, 2812912, 4293392, 5098403, 10196806, 20393612, 40787224, 81574448]

約数ペア:

[(1, 81574448), (2, 40787224), (4, 20393612), (8, 10196806), (16, 5098403), (19, 4293392), (29, 2812912), (38, 2146696), (58, 1406456), (76, 1073348), (116, 703228), (152, 536674), (232, 351614), (304, 268337), (361, 225968), (464, 175807), (487, 167504), (551, 148048), (722, 112984), (974, 83752), (1102, 74024), (1444, 56492), (1948, 41876), (2204, 37012), (2888, 28246), (3896, 20938), (4408, 18506), (5776, 14123), (7792, 10469), (8816, 9253)]