42438851

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{3919}}^1$

素因数の和:3963

約数の個数: 24

約数和(自身を含む): 56306880

約数和(自身を除く): 13868029

約数列:

[1, 7, 13, 17, 49, 91, 119, 221, 637, 833, 1547, 3919, 10829, 27433, 50947, 66623, 192031, 356629, 466361, 866099, 2496403, 3264527, 6062693, 42438851]

約数ペア:

[(1, 42438851), (7, 6062693), (13, 3264527), (17, 2496403), (49, 866099), (91, 466361), (119, 356629), (221, 192031), (637, 66623), (833, 50947), (1547, 27433), (3919, 10829)]