1311113456

素因数分解:

$2^4\times {\mathrm{127}}^1\times {\mathrm{645233}}^1$

素因数の和:645368

約数の個数: 20

約数和(自身を含む): 2560288512

約数和(自身を除く): 1249175056

約数列:

[1, 2, 4, 8, 16, 127, 254, 508, 1016, 2032, 645233, 1290466, 2580932, 5161864, 10323728, 81944591, 163889182, 327778364, 655556728, 1311113456]

約数ペア:

[(1, 1311113456), (2, 655556728), (4, 327778364), (8, 163889182), (16, 81944591), (127, 10323728), (254, 5161864), (508, 2580932), (1016, 1290466), (2032, 645233)]