1997456

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{983}}^1$

素因数の和:1118

約数の個数: 20

約数和(自身を含む): 3904512

約数和(自身を除く): 1907056

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 983, 1016, 1966, 2032, 3932, 7864, 15728, 124841, 249682, 499364, 998728, 1997456]

約数ペア:

[(1, 1997456), (2, 998728), (4, 499364), (8, 249682), (16, 124841), (127, 15728), (254, 7864), (508, 3932), (983, 2032), (1016, 1966)]