314151985

素因数分解:

$5^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1$

素因数の和:387

約数の個数: 64

約数和(自身を含む): 479232000

約数和(自身を除く): 165080015

約数列:

[1, 5, 7, 19, 31, 35, 49, 95, 133, 155, 217, 245, 311, 343, 589, 665, 931, 1085, 1519, 1555, 1715, 2177, 2945, 4123, 4655, 5909, 6517, 7595, 9641, 10633, 10885, 15239, 20615, 28861, 29545, 32585, 41363, 48205, 53165, 67487, 76195, 106673, 144305, 183179, 202027, 206815, 289541, 337435, 472409, 533365, 915895, 1010135, 1282253, 1447705, 2026787, 2362045, 3306863, 6411265, 8975771, 10133935, 16534315, 44878855, 62830397, 314151985]

約数ペア:

[(1, 314151985), (5, 62830397), (7, 44878855), (19, 16534315), (31, 10133935), (35, 8975771), (49, 6411265), (95, 3306863), (133, 2362045), (155, 2026787), (217, 1447705), (245, 1282253), (311, 1010135), (343, 915895), (589, 533365), (665, 472409), (931, 337435), (1085, 289541), (1519, 206815), (1555, 202027), (1715, 183179), (2177, 144305), (2945, 106673), (4123, 76195), (4655, 67487), (5909, 53165), (6517, 48205), (7595, 41363), (9641, 32585), (10633, 29545), (10885, 28861), (15239, 20615)]