280442968

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{7639}}^1$

素因数の和:8011

約数の個数: 32

約数和(自身を含む): 567957600

約数和(自身を除く): 287514632

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 353, 706, 1412, 2824, 4589, 7639, 9178, 15278, 18356, 30556, 36712, 61112, 99307, 198614, 397228, 794456, 2696567, 5393134, 10786268, 21572536, 35055371, 70110742, 140221484, 280442968]

約数ペア:

[(1, 280442968), (2, 140221484), (4, 70110742), (8, 35055371), (13, 21572536), (26, 10786268), (52, 5393134), (104, 2696567), (353, 794456), (706, 397228), (1412, 198614), (2824, 99307), (4589, 61112), (7639, 36712), (9178, 30556), (15278, 18356)]