128798878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{33247}}^1$

素因数の和:33411

約数の個数: 16

約数和(自身を含む): 209462400

約数和(自身を除く): 80663522

約数列:

[1, 2, 13, 26, 149, 298, 1937, 3874, 33247, 66494, 432211, 864422, 4953803, 9907606, 64399439, 128798878]

約数ペア:

[(1, 128798878), (2, 64399439), (13, 9907606), (26, 4953803), (149, 864422), (298, 432211), (1937, 66494), (3874, 33247)]