66867268

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{7433}}^1$

素因数の和:7623

約数の個数: 24

約数和(自身を含む): 126764568

約数和(自身を除く): 59897300

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 4498, 7433, 8996, 14866, 29732, 96629, 193258, 386516, 1285909, 2571818, 5143636, 16716817, 33433634, 66867268]

約数ペア:

[(1, 66867268), (2, 33433634), (4, 16716817), (13, 5143636), (26, 2571818), (52, 1285909), (173, 386516), (346, 193258), (692, 96629), (2249, 29732), (4498, 14866), (7433, 8996)]