1640864

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{1091}}^1$

素因数の和:1148

約数の個数: 24

約数和(自身を含む): 3302208

約数和(自身を除く): 1661344

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 188, 376, 752, 1091, 1504, 2182, 4364, 8728, 17456, 34912, 51277, 102554, 205108, 410216, 820432, 1640864]

約数ペア:

[(1, 1640864), (2, 820432), (4, 410216), (8, 205108), (16, 102554), (32, 51277), (47, 34912), (94, 17456), (188, 8728), (376, 4364), (752, 2182), (1091, 1504)]