809858816

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{18719}}^1$

素因数の和:18761

約数の個数: 54

約数和(自身を含む): 1750563360

約数和(自身を除く): 940704544

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 169, 208, 256, 338, 416, 676, 832, 1352, 1664, 2704, 3328, 5408, 10816, 18719, 21632, 37438, 43264, 74876, 149752, 243347, 299504, 486694, 599008, 973388, 1198016, 1946776, 2396032, 3163511, 3893552, 4792064, 6327022, 7787104, 12654044, 15574208, 25308088, 31148416, 50616176, 62296832, 101232352, 202464704, 404929408, 809858816]

約数ペア:

[(1, 809858816), (2, 404929408), (4, 202464704), (8, 101232352), (13, 62296832), (16, 50616176), (26, 31148416), (32, 25308088), (52, 15574208), (64, 12654044), (104, 7787104), (128, 6327022), (169, 4792064), (208, 3893552), (256, 3163511), (338, 2396032), (416, 1946776), (676, 1198016), (832, 973388), (1352, 599008), (1664, 486694), (2704, 299504), (3328, 243347), (5408, 149752), (10816, 74876), (18719, 43264), (21632, 37438)]