2156870212

素因数分解:

$2^2\times 7^1\times {\mathrm{77031079}}^1$

素因数の和:77031090

約数の個数: 12

約数和(自身を含む): 4313740480

約数和(自身を除く): 2156870268

約数列:

[1, 2, 4, 7, 14, 28, 77031079, 154062158, 308124316, 539217553, 1078435106, 2156870212]

約数ペア:

[(1, 2156870212), (2, 1078435106), (4, 539217553), (7, 308124316), (14, 154062158), (28, 77031079)]