686708932

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{1489}}^1$

素因数の和:1701

約数の個数: 72

約数和(自身を含む): 1514811480

約数和(自身を除く): 828102548

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 181, 182, 196, 362, 364, 637, 724, 1267, 1274, 1489, 2353, 2534, 2548, 2978, 4706, 5068, 5956, 8869, 9412, 10423, 16471, 17738, 19357, 20846, 32942, 35476, 38714, 41692, 65884, 72961, 77428, 115297, 135499, 145922, 230594, 269509, 270998, 291844, 461188, 539018, 541996, 948493, 1078036, 1886563, 1896986, 3503617, 3773126, 3793972, 7007234, 7546252, 13205941, 14014468, 24525319, 26411882, 49050638, 52823764, 98101276, 171677233, 343354466, 686708932]

約数ペア:

[(1, 686708932), (2, 343354466), (4, 171677233), (7, 98101276), (13, 52823764), (14, 49050638), (26, 26411882), (28, 24525319), (49, 14014468), (52, 13205941), (91, 7546252), (98, 7007234), (181, 3793972), (182, 3773126), (196, 3503617), (362, 1896986), (364, 1886563), (637, 1078036), (724, 948493), (1267, 541996), (1274, 539018), (1489, 461188), (2353, 291844), (2534, 270998), (2548, 269509), (2978, 230594), (4706, 145922), (5068, 135499), (5956, 115297), (8869, 77428), (9412, 72961), (10423, 65884), (16471, 41692), (17738, 38714), (19357, 35476), (20846, 32942)]