8555855

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:407

約数の個数: 32

約数和(自身を含む): 13022208

約数和(自身を除く): 4466353

約数列:

[1, 5, 7, 11, 35, 55, 71, 77, 313, 355, 385, 497, 781, 1565, 2191, 2485, 3443, 3905, 5467, 10955, 17215, 22223, 24101, 27335, 111115, 120505, 155561, 244453, 777805, 1222265, 1711171, 8555855]

約数ペア:

[(1, 8555855), (5, 1711171), (7, 1222265), (11, 777805), (35, 244453), (55, 155561), (71, 120505), (77, 111115), (313, 27335), (355, 24101), (385, 22223), (497, 17215), (781, 10955), (1565, 5467), (2191, 3905), (2485, 3443)]