261445816

素因数分解:

$2^3\times {\mathrm{31}}^3\times {\mathrm{1097}}^1$

素因数の和:1196

約数の個数: 32

約数和(自身を含む): 507012480

約数和(自身を除く): 245566664

約数列:

[1, 2, 4, 8, 31, 62, 124, 248, 961, 1097, 1922, 2194, 3844, 4388, 7688, 8776, 29791, 34007, 59582, 68014, 119164, 136028, 238328, 272056, 1054217, 2108434, 4216868, 8433736, 32680727, 65361454, 130722908, 261445816]

約数ペア:

[(1, 261445816), (2, 130722908), (4, 65361454), (8, 32680727), (31, 8433736), (62, 4216868), (124, 2108434), (248, 1054217), (961, 272056), (1097, 238328), (1922, 136028), (2194, 119164), (3844, 68014), (4388, 59582), (7688, 34007), (8776, 29791)]