1900291055

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{293}}^1\times {\mathrm{883}}^1$

素因数の和:1307

約数の個数: 32

約数和(自身を含む): 2488764096

約数和(自身を除く): 588473041

約数列:

[1, 5, 13, 65, 113, 293, 565, 883, 1465, 1469, 3809, 4415, 7345, 11479, 19045, 33109, 57395, 99779, 165545, 258719, 430417, 498895, 1293595, 1297127, 2152085, 3363347, 6485635, 16816735, 29235247, 146176235, 380058211, 1900291055]

約数ペア:

[(1, 1900291055), (5, 380058211), (13, 146176235), (65, 29235247), (113, 16816735), (293, 6485635), (565, 3363347), (883, 2152085), (1465, 1297127), (1469, 1293595), (3809, 498895), (4415, 430417), (7345, 258719), (11479, 165545), (19045, 99779), (33109, 57395)]