28391008

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{439}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 58544640

約数和(自身を除く): 30153632

約数列:

[1, 2, 4, 8, 16, 32, 43, 47, 86, 94, 172, 188, 344, 376, 439, 688, 752, 878, 1376, 1504, 1756, 2021, 3512, 4042, 7024, 8084, 14048, 16168, 18877, 20633, 32336, 37754, 41266, 64672, 75508, 82532, 151016, 165064, 302032, 330128, 604064, 660256, 887219, 1774438, 3548876, 7097752, 14195504, 28391008]

約数ペア:

[(1, 28391008), (2, 14195504), (4, 7097752), (8, 3548876), (16, 1774438), (32, 887219), (43, 660256), (47, 604064), (86, 330128), (94, 302032), (172, 165064), (188, 151016), (344, 82532), (376, 75508), (439, 64672), (688, 41266), (752, 37754), (878, 32336), (1376, 20633), (1504, 18877), (1756, 16168), (2021, 14048), (3512, 8084), (4042, 7024)]