49197775

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1$

素因数の和:280

約数の個数: 48

約数和(自身を含む): 71424000

約数和(自身を除く): 22226225

約数列:

[1, 5, 11, 25, 29, 31, 55, 145, 155, 199, 275, 319, 341, 725, 775, 899, 995, 1595, 1705, 2189, 4495, 4975, 5771, 6169, 7975, 8525, 9889, 10945, 22475, 28855, 30845, 49445, 54725, 63481, 67859, 144275, 154225, 178901, 247225, 317405, 339295, 894505, 1587025, 1696475, 1967911, 4472525, 9839555, 49197775]

約数ペア:

[(1, 49197775), (5, 9839555), (11, 4472525), (25, 1967911), (29, 1696475), (31, 1587025), (55, 894505), (145, 339295), (155, 317405), (199, 247225), (275, 178901), (319, 154225), (341, 144275), (725, 67859), (775, 63481), (899, 54725), (995, 49445), (1595, 30845), (1705, 28855), (2189, 22475), (4495, 10945), (4975, 9889), (5771, 8525), (6169, 7975)]