209976416

素因数分解:

$2^5\times {\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{947}}^1$

素因数の和:1024

約数の個数: 72

約数和(自身を含む): 459038664

約数和(自身を除く): 249062248

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 41, 52, 82, 104, 164, 169, 208, 328, 338, 416, 533, 656, 676, 947, 1066, 1312, 1352, 1894, 2132, 2704, 3788, 4264, 5408, 6929, 7576, 8528, 12311, 13858, 15152, 17056, 24622, 27716, 30304, 38827, 49244, 55432, 77654, 98488, 110864, 155308, 160043, 196976, 221728, 310616, 320086, 393952, 504751, 621232, 640172, 1009502, 1242464, 1280344, 2019004, 2560688, 4038008, 5121376, 6561763, 8076016, 13123526, 16152032, 26247052, 52494104, 104988208, 209976416]

約数ペア:

[(1, 209976416), (2, 104988208), (4, 52494104), (8, 26247052), (13, 16152032), (16, 13123526), (26, 8076016), (32, 6561763), (41, 5121376), (52, 4038008), (82, 2560688), (104, 2019004), (164, 1280344), (169, 1242464), (208, 1009502), (328, 640172), (338, 621232), (416, 504751), (533, 393952), (656, 320086), (676, 310616), (947, 221728), (1066, 196976), (1312, 160043), (1352, 155308), (1894, 110864), (2132, 98488), (2704, 77654), (3788, 55432), (4264, 49244), (5408, 38827), (6929, 30304), (7576, 27716), (8528, 24622), (12311, 17056), (13858, 15152)]