664895968

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{171719}}^1$

素因数の和:171751

約数の個数: 36

約数和(自身を含む): 1438841880

約数和(自身を除く): 773945912

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 121, 176, 242, 352, 484, 968, 1936, 3872, 171719, 343438, 686876, 1373752, 1888909, 2747504, 3777818, 5495008, 7555636, 15111272, 20777999, 30222544, 41555998, 60445088, 83111996, 166223992, 332447984, 664895968]

約数ペア:

[(1, 664895968), (2, 332447984), (4, 166223992), (8, 83111996), (11, 60445088), (16, 41555998), (22, 30222544), (32, 20777999), (44, 15111272), (88, 7555636), (121, 5495008), (176, 3777818), (242, 2747504), (352, 1888909), (484, 1373752), (968, 686876), (1936, 343438), (3872, 171719)]