216557138

素因数分解:

$2^1\times 7^1\times {\mathrm{463}}^1\times {\mathrm{33409}}^1$

素因数の和:33881

約数の個数: 16

約数和(自身を含む): 372053760

約数和(自身を除く): 155496622

約数列:

[1, 2, 7, 14, 463, 926, 3241, 6482, 33409, 66818, 233863, 467726, 15468367, 30936734, 108278569, 216557138]

約数ペア:

[(1, 216557138), (2, 108278569), (7, 30936734), (14, 15468367), (463, 467726), (926, 233863), (3241, 66818), (6482, 33409)]