2154611810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{449}}^1\times {\mathrm{36913}}^1$

素因数の和:37382

約数の個数: 32

約数和(自身を含む): 4186047600

約数和(自身を除く): 2031435790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 449, 898, 2245, 4490, 5837, 11674, 29185, 36913, 58370, 73826, 184565, 369130, 479869, 959738, 2399345, 4798690, 16573937, 33147874, 82869685, 165739370, 215461181, 430922362, 1077305905, 2154611810]

約数ペア:

[(1, 2154611810), (2, 1077305905), (5, 430922362), (10, 215461181), (13, 165739370), (26, 82869685), (65, 33147874), (130, 16573937), (449, 4798690), (898, 2399345), (2245, 959738), (4490, 479869), (5837, 369130), (11674, 184565), (29185, 73826), (36913, 58370)]