199434811

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:391

約数の個数: 24

約数和(自身を含む): 221211648

約数和(自身を除く): 21776837

約数列:

[1, 19, 31, 71, 251, 361, 589, 1349, 2201, 4769, 7781, 11191, 17821, 25631, 41819, 90611, 147839, 338599, 552451, 794561, 2808941, 6433381, 10496569, 199434811]

約数ペア:

[(1, 199434811), (19, 10496569), (31, 6433381), (71, 2808941), (251, 794561), (361, 552451), (589, 338599), (1349, 147839), (2201, 90611), (4769, 41819), (7781, 25631), (11191, 17821)]