279228455

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{3191}}^1$

素因数の和:3287

約数の個数: 32

約数和(自身を含む): 384265728

約数和(自身を除く): 105037273

約数列:

[1, 5, 11, 37, 43, 55, 185, 215, 407, 473, 1591, 2035, 2365, 3191, 7955, 15955, 17501, 35101, 87505, 118067, 137213, 175505, 590335, 686065, 1298737, 1509343, 5076881, 6493685, 7546715, 25384405, 55845691, 279228455]

約数ペア:

[(1, 279228455), (5, 55845691), (11, 25384405), (37, 7546715), (43, 6493685), (55, 5076881), (185, 1509343), (215, 1298737), (407, 686065), (473, 590335), (1591, 175505), (2035, 137213), (2365, 118067), (3191, 87505), (7955, 35101), (15955, 17501)]