28297061

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 7265179

約数列:

[1, 13, 17, 19, 23, 221, 247, 293, 299, 323, 391, 437, 3809, 4199, 4981, 5083, 5567, 5681, 6739, 7429, 64753, 72371, 87607, 94639, 96577, 114563, 128041, 1230307, 1489319, 1664533, 2176697, 28297061]

約数ペア:

[(1, 28297061), (13, 2176697), (17, 1664533), (19, 1489319), (23, 1230307), (221, 128041), (247, 114563), (293, 96577), (299, 94639), (323, 87607), (391, 72371), (437, 64753), (3809, 7429), (4199, 6739), (4981, 5681), (5083, 5567)]