128919752

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{16981}}^1$

素因数の和:17073

約数の個数: 32

約数和(自身を含む): 263900280

約数和(自身を除く): 134980528

約数列:

[1, 2, 4, 8, 13, 26, 52, 73, 104, 146, 292, 584, 949, 1898, 3796, 7592, 16981, 33962, 67924, 135848, 220753, 441506, 883012, 1239613, 1766024, 2479226, 4958452, 9916904, 16114969, 32229938, 64459876, 128919752]

約数ペア:

[(1, 128919752), (2, 64459876), (4, 32229938), (8, 16114969), (13, 9916904), (26, 4958452), (52, 2479226), (73, 1766024), (104, 1239613), (146, 883012), (292, 441506), (584, 220753), (949, 135848), (1898, 67924), (3796, 33962), (7592, 16981)]