78394888

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{139}}^1$

素因数の和:215

約数の個数: 128

約数和(自身を含む): 190512000

約数和(自身を除く): 112117112

約数列:

[1, 2, 4, 8, 11, 13, 17, 22, 26, 29, 34, 44, 52, 58, 68, 88, 104, 116, 136, 139, 143, 187, 221, 232, 278, 286, 319, 374, 377, 442, 493, 556, 572, 638, 748, 754, 884, 986, 1112, 1144, 1276, 1496, 1508, 1529, 1768, 1807, 1972, 2363, 2431, 2552, 3016, 3058, 3614, 3944, 4031, 4147, 4726, 4862, 5423, 6116, 6409, 7228, 8062, 8294, 9452, 9724, 10846, 12232, 12818, 14456, 16124, 16588, 18904, 19448, 19877, 21692, 25636, 25993, 30719, 32248, 33176, 39754, 43384, 44341, 51272, 51986, 52403, 61438, 68527, 70499, 79508, 88682, 103972, 104806, 122876, 137054, 140998, 159016, 177364, 207944, 209612, 245752, 274108, 281996, 337909, 354728, 419224, 548216, 563992, 576433, 675818, 753797, 890851, 1152866, 1351636, 1507594, 1781702, 2305732, 2703272, 3015188, 3563404, 4611464, 6030376, 7126808, 9799361, 19598722, 39197444, 78394888]

約数ペア:

[(1, 78394888), (2, 39197444), (4, 19598722), (8, 9799361), (11, 7126808), (13, 6030376), (17, 4611464), (22, 3563404), (26, 3015188), (29, 2703272), (34, 2305732), (44, 1781702), (52, 1507594), (58, 1351636), (68, 1152866), (88, 890851), (104, 753797), (116, 675818), (136, 576433), (139, 563992), (143, 548216), (187, 419224), (221, 354728), (232, 337909), (278, 281996), (286, 274108), (319, 245752), (374, 209612), (377, 207944), (442, 177364), (493, 159016), (556, 140998), (572, 137054), (638, 122876), (748, 104806), (754, 103972), (884, 88682), (986, 79508), (1112, 70499), (1144, 68527), (1276, 61438), (1496, 52403), (1508, 51986), (1529, 51272), (1768, 44341), (1807, 43384), (1972, 39754), (2363, 33176), (2431, 32248), (2552, 30719), (3016, 25993), (3058, 25636), (3614, 21692), (3944, 19877), (4031, 19448), (4147, 18904), (4726, 16588), (4862, 16124), (5423, 14456), (6116, 12818), (6409, 12232), (7228, 10846), (8062, 9724), (8294, 9452)]