206480729

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{2099}}^1$

素因数の和:2189

約数の個数: 32

約数和(自身を含む): 270950400

約数和(自身を除く): 64469671

約数列:

[1, 7, 13, 23, 47, 91, 161, 299, 329, 611, 1081, 2093, 2099, 4277, 7567, 14053, 14693, 27287, 48277, 98371, 98653, 191009, 337939, 627601, 690571, 1282489, 2269019, 4393207, 8977423, 15883133, 29497247, 206480729]

約数ペア:

[(1, 206480729), (7, 29497247), (13, 15883133), (23, 8977423), (47, 4393207), (91, 2269019), (161, 1282489), (299, 690571), (329, 627601), (611, 337939), (1081, 191009), (2093, 98653), (2099, 98371), (4277, 48277), (7567, 27287), (14053, 14693)]