213330.0000000

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{211}}^1$

素因数の和:431

約数の個数: 40

約数和(自身を含む): 18401600

約数和(自身を除く): 9667888

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 199, 208, 211, 398, 422, 796, 844, 1592, 1688, 2587, 2743, 3184, 3376, 5174, 5486, 10348, 10972, 20696, 21944, 41392, 41989, 43888, 83978, 167956, 335912, 545857, 671824, 1091714, 2183428, 4366856, 8733712]

約数ペア:

[(1, 8733712), (2, 4366856), (4, 2183428), (8, 1091714), (13, 671824), (16, 545857), (26, 335912), (52, 167956), (104, 83978), (199, 43888), (208, 41989), (211, 41392), (398, 21944), (422, 20696), (796, 10972), (844, 10348), (1592, 5486), (1688, 5174), (2587, 3376), (2743, 3184)]