7803468

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^2$

素因数の和:195

約数の個数: 54

約数和(自身を含む): 20472452

約数和(自身を除く): 12668984

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 71, 86, 129, 142, 172, 213, 258, 284, 387, 426, 516, 639, 774, 852, 1278, 1548, 2556, 3053, 5041, 6106, 9159, 10082, 12212, 15123, 18318, 20164, 27477, 30246, 36636, 45369, 54954, 60492, 90738, 109908, 181476, 216763, 433526, 650289, 867052, 1300578, 1950867, 2601156, 3901734, 7803468]

約数ペア:

[(1, 7803468), (2, 3901734), (3, 2601156), (4, 1950867), (6, 1300578), (9, 867052), (12, 650289), (18, 433526), (36, 216763), (43, 181476), (71, 109908), (86, 90738), (129, 60492), (142, 54954), (172, 45369), (213, 36636), (258, 30246), (284, 27477), (387, 20164), (426, 18318), (516, 15123), (639, 12212), (774, 10082), (852, 9159), (1278, 6106), (1548, 5041), (2556, 3053)]