1981456

素因数分解:

$2^4\times {\mathrm{59}}^1\times {\mathrm{2099}}^1$

素因数の和:2166

約数の個数: 20

約数和(自身を含む): 3906000

約数和(自身を除く): 1924544

約数列:

[1, 2, 4, 8, 16, 59, 118, 236, 472, 944, 2099, 4198, 8396, 16792, 33584, 123841, 247682, 495364, 990728, 1981456]

約数ペア:

[(1, 1981456), (2, 990728), (4, 495364), (8, 247682), (16, 123841), (59, 33584), (118, 16792), (236, 8396), (472, 4198), (944, 2099)]