55721744

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{267893}}^1$

素因数の和:267914

約数の個数: 20

約数和(自身を含む): 116265996

約数和(自身を除く): 60544252

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 267893, 535786, 1071572, 2143144, 3482609, 4286288, 6965218, 13930436, 27860872, 55721744]

約数ペア:

[(1, 55721744), (2, 27860872), (4, 13930436), (8, 6965218), (13, 4286288), (16, 3482609), (26, 2143144), (52, 1071572), (104, 535786), (208, 267893)]