1639168

素因数分解:

$2^8\times {\mathrm{19}}^1\times {\mathrm{337}}^1$

素因数の和:372

約数の個数: 36

約数和(自身を含む): 3454360

約数和(自身を除く): 1815192

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 128, 152, 256, 304, 337, 608, 674, 1216, 1348, 2432, 2696, 4864, 5392, 6403, 10784, 12806, 21568, 25612, 43136, 51224, 86272, 102448, 204896, 409792, 819584, 1639168]

約数ペア:

[(1, 1639168), (2, 819584), (4, 409792), (8, 204896), (16, 102448), (19, 86272), (32, 51224), (38, 43136), (64, 25612), (76, 21568), (128, 12806), (152, 10784), (256, 6403), (304, 5392), (337, 4864), (608, 2696), (674, 2432), (1216, 1348)]