81819712

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2287}}^1$

素因数の和:2355

約数の個数: 56

約数和(自身を含む): 178994816

約数和(自身を除く): 97175104

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 172, 208, 344, 416, 559, 688, 832, 1118, 1376, 2236, 2287, 2752, 4472, 4574, 8944, 9148, 17888, 18296, 29731, 35776, 36592, 59462, 73184, 98341, 118924, 146368, 196682, 237848, 393364, 475696, 786728, 951392, 1278433, 1573456, 1902784, 2556866, 3146912, 5113732, 6293824, 10227464, 20454928, 40909856, 81819712]

約数ペア:

[(1, 81819712), (2, 40909856), (4, 20454928), (8, 10227464), (13, 6293824), (16, 5113732), (26, 3146912), (32, 2556866), (43, 1902784), (52, 1573456), (64, 1278433), (86, 951392), (104, 786728), (172, 475696), (208, 393364), (344, 237848), (416, 196682), (559, 146368), (688, 118924), (832, 98341), (1118, 73184), (1376, 59462), (2236, 36592), (2287, 35776), (2752, 29731), (4472, 18296), (4574, 17888), (8944, 9148)]