81560192

素因数分解:

$2^7\times 7^1\times {\mathrm{227}}^1\times {\mathrm{401}}^1$

素因数の和:649

約数の個数: 64

約数和(自身を含む): 186978240

約数和(自身を除く): 105418048

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 227, 401, 448, 454, 802, 896, 908, 1589, 1604, 1816, 2807, 3178, 3208, 3632, 5614, 6356, 6416, 7264, 11228, 12712, 12832, 14528, 22456, 25424, 25664, 29056, 44912, 50848, 51328, 89824, 91027, 101696, 179648, 182054, 203392, 359296, 364108, 637189, 728216, 1274378, 1456432, 2548756, 2912864, 5097512, 5825728, 10195024, 11651456, 20390048, 40780096, 81560192]

約数ペア:

[(1, 81560192), (2, 40780096), (4, 20390048), (7, 11651456), (8, 10195024), (14, 5825728), (16, 5097512), (28, 2912864), (32, 2548756), (56, 1456432), (64, 1274378), (112, 728216), (128, 637189), (224, 364108), (227, 359296), (401, 203392), (448, 182054), (454, 179648), (802, 101696), (896, 91027), (908, 89824), (1589, 51328), (1604, 50848), (1816, 44912), (2807, 29056), (3178, 25664), (3208, 25424), (3632, 22456), (5614, 14528), (6356, 12832), (6416, 12712), (7264, 11228)]