320804911

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 412406400

約数和(自身を除く): 91601489

約数列:

[1, 7, 19, 37, 49, 67, 133, 139, 259, 469, 703, 931, 973, 1273, 1813, 2479, 2641, 3283, 4921, 5143, 6811, 8911, 9313, 17353, 18487, 34447, 36001, 47101, 62377, 65191, 97717, 121471, 129409, 176947, 252007, 329707, 344581, 456337, 684019, 1238629, 2307949, 2412067, 4788133, 6547039, 8670403, 16884469, 45829273, 320804911]

約数ペア:

[(1, 320804911), (7, 45829273), (19, 16884469), (37, 8670403), (49, 6547039), (67, 4788133), (133, 2412067), (139, 2307949), (259, 1238629), (469, 684019), (703, 456337), (931, 344581), (973, 329707), (1273, 252007), (1813, 176947), (2479, 129409), (2641, 121471), (3283, 97717), (4921, 65191), (5143, 62377), (6811, 47101), (8911, 36001), (9313, 34447), (17353, 18487)]