206816519

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1\times {\mathrm{191}}^1$

素因数の和:447

約数の個数: 32

約数和(自身を含む): 260972544

約数和(自身を除く): 54156025

約数列:

[1, 7, 13, 73, 91, 163, 191, 511, 949, 1141, 1337, 2119, 2483, 6643, 11899, 13943, 14833, 17381, 31133, 83293, 97601, 154687, 181259, 217931, 404729, 1082809, 1268813, 2272709, 2833103, 15908963, 29545217, 206816519]

約数ペア:

[(1, 206816519), (7, 29545217), (13, 15908963), (73, 2833103), (91, 2272709), (163, 1268813), (191, 1082809), (511, 404729), (949, 217931), (1141, 181259), (1337, 154687), (2119, 97601), (2483, 83293), (6643, 31133), (11899, 17381), (13943, 14833)]