686437956

素因数分解:

$2^2\times 3^3\times {\mathrm{107}}^1\times {\mathrm{191}}^1\times {\mathrm{311}}^1$

素因数の和:622

約数の個数: 96

約数和(自身を含む): 1811496960

約数和(自身を除く): 1125059004

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 107, 108, 191, 214, 311, 321, 382, 428, 573, 622, 642, 764, 933, 963, 1146, 1244, 1284, 1719, 1866, 1926, 2292, 2799, 2889, 3438, 3732, 3852, 5157, 5598, 5778, 6876, 8397, 10314, 11196, 11556, 16794, 20437, 20628, 33277, 33588, 40874, 59401, 61311, 66554, 81748, 99831, 118802, 122622, 133108, 178203, 183933, 199662, 237604, 245244, 299493, 356406, 367866, 399324, 534609, 551799, 598986, 712812, 735732, 898479, 1069218, 1103598, 1197972, 1603827, 1796958, 2138436, 2207196, 3207654, 3593916, 6355907, 6415308, 12711814, 19067721, 25423628, 38135442, 57203163, 76270884, 114406326, 171609489, 228812652, 343218978, 686437956]

約数ペア:

[(1, 686437956), (2, 343218978), (3, 228812652), (4, 171609489), (6, 114406326), (9, 76270884), (12, 57203163), (18, 38135442), (27, 25423628), (36, 19067721), (54, 12711814), (107, 6415308), (108, 6355907), (191, 3593916), (214, 3207654), (311, 2207196), (321, 2138436), (382, 1796958), (428, 1603827), (573, 1197972), (622, 1103598), (642, 1069218), (764, 898479), (933, 735732), (963, 712812), (1146, 598986), (1244, 551799), (1284, 534609), (1719, 399324), (1866, 367866), (1926, 356406), (2292, 299493), (2799, 245244), (2889, 237604), (3438, 199662), (3732, 183933), (3852, 178203), (5157, 133108), (5598, 122622), (5778, 118802), (6876, 99831), (8397, 81748), (10314, 66554), (11196, 61311), (11556, 59401), (16794, 40874), (20437, 33588), (20628, 33277)]