214978216

素因数分解:

$2^3\times {\mathrm{157}}^1\times {\mathrm{171161}}^1$

素因数の和:171324

約数の個数: 16

約数和(自身を含む): 405653940

約数和(自身を除く): 190675724

約数列:

[1, 2, 4, 8, 157, 314, 628, 1256, 171161, 342322, 684644, 1369288, 26872277, 53744554, 107489108, 214978216]

約数ペア:

[(1, 214978216), (2, 107489108), (4, 53744554), (8, 26872277), (157, 1369288), (314, 684644), (628, 342322), (1256, 171161)]