30831388

素因数分解:

$2^2\times 7^2\times {\mathrm{157303}}^1$

素因数の和:157321

約数の個数: 18

約数和(自身を含む): 62764296

約数和(自身を除く): 31932908

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 157303, 314606, 629212, 1101121, 2202242, 4404484, 7707847, 15415694, 30831388]

約数ペア:

[(1, 30831388), (2, 15415694), (4, 7707847), (7, 4404484), (14, 2202242), (28, 1101121), (49, 629212), (98, 314606), (196, 157303)]