81709908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{9091}}^1$

素因数の和:9212

約数の個数: 48

約数和(自身を含む): 219953664

約数和(自身を除く): 138243756

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 107, 214, 321, 428, 642, 749, 1284, 1498, 2247, 2996, 4494, 8988, 9091, 18182, 27273, 36364, 54546, 63637, 109092, 127274, 190911, 254548, 381822, 763644, 972737, 1945474, 2918211, 3890948, 5836422, 6809159, 11672844, 13618318, 20427477, 27236636, 40854954, 81709908]

約数ペア:

[(1, 81709908), (2, 40854954), (3, 27236636), (4, 20427477), (6, 13618318), (7, 11672844), (12, 6809159), (14, 5836422), (21, 3890948), (28, 2918211), (42, 1945474), (84, 972737), (107, 763644), (214, 381822), (321, 254548), (428, 190911), (642, 127274), (749, 109092), (1284, 63637), (1498, 54546), (2247, 36364), (2996, 27273), (4494, 18182), (8988, 9091)]