28171138

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1\times {\mathrm{1229}}^1$

素因数の和:1461

約数の個数: 16

約数和(自身を含む): 43143480

約数和(自身を除く): 14972342

約数列:

[1, 2, 73, 146, 157, 314, 1229, 2458, 11461, 22922, 89717, 179434, 192953, 385906, 14085569, 28171138]

約数ペア:

[(1, 28171138), (2, 14085569), (73, 385906), (146, 192953), (157, 179434), (314, 89717), (1229, 22922), (2458, 11461)]