28145755

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{631}}^1\times {\mathrm{811}}^1$

素因数の和:1458

約数の個数: 16

約数和(自身を含む): 36949248

約数和(自身を除く): 8803493

約数列:

[1, 5, 11, 55, 631, 811, 3155, 4055, 6941, 8921, 34705, 44605, 511741, 2558705, 5629151, 28145755]

約数ペア:

[(1, 28145755), (5, 5629151), (11, 2558705), (55, 511741), (631, 44605), (811, 34705), (3155, 8921), (4055, 6941)]