1289778866

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{188179}}^1$

素因数の和:188353

約数の個数: 16

約数和(自身を含む): 2032344000

約数和(自身を除く): 742565134

約数列:

[1, 2, 23, 46, 149, 298, 3427, 6854, 188179, 376358, 4328117, 8656234, 28038671, 56077342, 644889433, 1289778866]

約数ペア:

[(1, 1289778866), (2, 644889433), (23, 56077342), (46, 28038671), (149, 8656234), (298, 4328117), (3427, 376358), (6854, 188179)]