51308790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131561}}^1$

素因数の和:131584

約数の個数: 32

約数和(自身を含む): 132614496

約数和(自身を除く): 81305706

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 131561, 263122, 394683, 657805, 789366, 1315610, 1710293, 1973415, 3420586, 3946830, 5130879, 8551465, 10261758, 17102930, 25654395, 51308790]

約数ペア:

[(1, 51308790), (2, 25654395), (3, 17102930), (5, 10261758), (6, 8551465), (10, 5130879), (13, 3946830), (15, 3420586), (26, 1973415), (30, 1710293), (39, 1315610), (65, 789366), (78, 657805), (130, 394683), (195, 263122), (390, 131561)]