1338778882

素因数分解:

$2^1\times 7^2\times {\mathrm{127}}^1\times {\mathrm{263}}^1\times {\mathrm{409}}^1$

素因数の和:815

約数の個数: 48

約数和(自身を含む): 2369157120

約数和(自身を除く): 1030378238

約数列:

[1, 2, 7, 14, 49, 98, 127, 254, 263, 409, 526, 818, 889, 1778, 1841, 2863, 3682, 5726, 6223, 12446, 12887, 20041, 25774, 33401, 40082, 51943, 66802, 103886, 107567, 215134, 233807, 363601, 467614, 727202, 752969, 1505938, 1636649, 2545207, 3273298, 5090414, 5270783, 10541566, 13661009, 27322018, 95627063, 191254126, 669389441, 1338778882]

約数ペア:

[(1, 1338778882), (2, 669389441), (7, 191254126), (14, 95627063), (49, 27322018), (98, 13661009), (127, 10541566), (254, 5270783), (263, 5090414), (409, 3273298), (526, 2545207), (818, 1636649), (889, 1505938), (1778, 752969), (1841, 727202), (2863, 467614), (3682, 363601), (5726, 233807), (6223, 215134), (12446, 107567), (12887, 103886), (20041, 66802), (25774, 51943), (33401, 40082)]