199065388

素因数分解:

$2^2\times {\mathrm{127}}^1\times {\mathrm{391861}}^1$

素因数の和:391992

約数の個数: 12

約数和(自身を含む): 351108352

約数和(自身を除く): 152042964

約数列:

[1, 2, 4, 127, 254, 508, 391861, 783722, 1567444, 49766347, 99532694, 199065388]

約数ペア:

[(1, 199065388), (2, 99532694), (4, 49766347), (127, 1567444), (254, 783722), (508, 391861)]