266797258

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^2\times {\mathrm{89}}^1\times {\mathrm{181}}^1$

素因数の和:312

約数の個数: 72

約数和(自身を含む): 512579340

約数和(自身を除く): 245782082

約数列:

[1, 2, 7, 13, 14, 26, 49, 89, 91, 98, 169, 178, 181, 182, 338, 362, 623, 637, 1157, 1183, 1246, 1267, 1274, 2314, 2353, 2366, 2534, 4361, 4706, 8099, 8281, 8722, 8869, 15041, 16109, 16198, 16471, 16562, 17738, 30082, 30589, 32218, 32942, 56693, 61178, 105287, 112763, 113386, 115297, 209417, 210574, 214123, 225526, 230594, 418834, 428246, 737009, 789341, 1465919, 1474018, 1498861, 1578682, 2722421, 2931838, 2997722, 5444842, 10261433, 19056947, 20522866, 38113894, 133398629, 266797258]

約数ペア:

[(1, 266797258), (2, 133398629), (7, 38113894), (13, 20522866), (14, 19056947), (26, 10261433), (49, 5444842), (89, 2997722), (91, 2931838), (98, 2722421), (169, 1578682), (178, 1498861), (181, 1474018), (182, 1465919), (338, 789341), (362, 737009), (623, 428246), (637, 418834), (1157, 230594), (1183, 225526), (1246, 214123), (1267, 210574), (1274, 209417), (2314, 115297), (2353, 113386), (2366, 112763), (2534, 105287), (4361, 61178), (4706, 56693), (8099, 32942), (8281, 32218), (8722, 30589), (8869, 30082), (15041, 17738), (16109, 16562), (16198, 16471)]