399061808

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{50591}}^1$

素因数の和:50645

約数の個数: 40

約数和(自身を含む): 846910080

約数和(自身を除く): 447848272

約数列:

[1, 2, 4, 8, 16, 17, 29, 34, 58, 68, 116, 136, 232, 272, 464, 493, 986, 1972, 3944, 7888, 50591, 101182, 202364, 404728, 809456, 860047, 1467139, 1720094, 2934278, 3440188, 5868556, 6880376, 11737112, 13760752, 23474224, 24941363, 49882726, 99765452, 199530904, 399061808]

約数ペア:

[(1, 399061808), (2, 199530904), (4, 99765452), (8, 49882726), (16, 24941363), (17, 23474224), (29, 13760752), (34, 11737112), (58, 6880376), (68, 5868556), (116, 3440188), (136, 2934278), (232, 1720094), (272, 1467139), (464, 860047), (493, 809456), (986, 404728), (1972, 202364), (3944, 101182), (7888, 50591)]