2105304887

素因数分解:

$7^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{641}}^1$

素因数の和:911

約数の個数: 32

約数和(自身を含む): 2514585600

約数和(自身を除く): 409280713

約数列:

[1, 7, 47, 67, 149, 329, 469, 641, 1043, 3149, 4487, 7003, 9983, 22043, 30127, 42947, 49021, 69881, 95509, 210889, 300629, 469201, 668563, 2018509, 3284407, 4488923, 6399103, 14129563, 31422461, 44793721, 300757841, 2105304887]

約数ペア:

[(1, 2105304887), (7, 300757841), (47, 44793721), (67, 31422461), (149, 14129563), (329, 6399103), (469, 4488923), (641, 3284407), (1043, 2018509), (3149, 668563), (4487, 469201), (7003, 300629), (9983, 210889), (22043, 95509), (30127, 69881), (42947, 49021)]