71121316

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{81937}}^1$

素因数の和:81979

約数の個数: 24

約数和(自身を含む): 146832896

約数和(自身を除く): 75711580

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 217, 434, 868, 81937, 163874, 327748, 573559, 1147118, 2294236, 2540047, 5080094, 10160188, 17780329, 35560658, 71121316]

約数ペア:

[(1, 71121316), (2, 35560658), (4, 17780329), (7, 10160188), (14, 5080094), (28, 2540047), (31, 2294236), (62, 1147118), (124, 573559), (217, 327748), (434, 163874), (868, 81937)]