681036776

素因数分解:

$2^3\times 7^1\times {\mathrm{67}}^1\times {\mathrm{181513}}^1$

素因数の和:181593

約数の個数: 32

約数和(自身を含む): 1481154240

約数和(自身を除く): 800117464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 67, 134, 268, 469, 536, 938, 1876, 3752, 181513, 363026, 726052, 1270591, 1452104, 2541182, 5082364, 10164728, 12161371, 24322742, 48645484, 85129597, 97290968, 170259194, 340518388, 681036776]

約数ペア:

[(1, 681036776), (2, 340518388), (4, 170259194), (7, 97290968), (8, 85129597), (14, 48645484), (28, 24322742), (56, 12161371), (67, 10164728), (134, 5082364), (268, 2541182), (469, 1452104), (536, 1270591), (938, 726052), (1876, 363026), (3752, 181513)]