1640802955

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{641}}^1\times {\mathrm{4231}}^1$

素因数の和:4899

約数の個数: 24

約数和(自身を含む): 2168121312

約数和(自身を除く): 527318357

約数列:

[1, 5, 11, 55, 121, 605, 641, 3205, 4231, 7051, 21155, 35255, 46541, 77561, 232705, 387805, 511951, 2559755, 2712071, 13560355, 29832781, 149163905, 328160591, 1640802955]

約数ペア:

[(1, 1640802955), (5, 328160591), (11, 149163905), (55, 29832781), (121, 13560355), (605, 2712071), (641, 2559755), (3205, 511951), (4231, 387805), (7051, 232705), (21155, 77561), (35255, 46541)]