1668649216

素因数分解:

$2^8\times {\mathrm{13}}^2\times {\mathrm{38569}}^1$

素因数の和:38611

約数の個数: 54

約数和(自身を含む): 3606796410

約数和(自身を除く): 1938147194

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, 21632, 38569, 43264, 77138, 154276, 308552, 501397, 617104, 1002794, 1234208, 2005588, 2468416, 4011176, 4936832, 6518161, 8022352, 9873664, 13036322, 16044704, 26072644, 32089408, 52145288, 64178816, 104290576, 128357632, 208581152, 417162304, 834324608, 1668649216]

約数ペア:

[(1, 1668649216), (2, 834324608), (4, 417162304), (8, 208581152), (13, 128357632), (16, 104290576), (26, 64178816), (32, 52145288), (52, 32089408), (64, 26072644), (104, 16044704), (128, 13036322), (169, 9873664), (208, 8022352), (256, 6518161), (338, 4936832), (416, 4011176), (676, 2468416), (832, 2005588), (1352, 1234208), (1664, 1002794), (2704, 617104), (3328, 501397), (5408, 308552), (10816, 154276), (21632, 77138), (38569, 43264)]