28681886

素因数分解:

$2^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{709}}^1$

素因数の和:1003

約数の個数: 16

約数和(自身を含む): 43707600

約数和(自身を除く): 15025714

約数列:

[1, 2, 113, 179, 226, 358, 709, 1418, 20227, 40454, 80117, 126911, 160234, 253822, 14340943, 28681886]

約数ペア:

[(1, 28681886), (2, 14340943), (113, 253822), (179, 160234), (226, 126911), (358, 80117), (709, 40454), (1418, 20227)]