989492025613

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{421}}^1\times {\mathrm{363773}}^1$

素因数の和:364285

約数の個数: 32

約数和(自身を含む): 1237925832192

約数和(自身を除く): 248433806579

約数列:

[1, 7, 13, 71, 91, 421, 497, 923, 2947, 5473, 6461, 29891, 38311, 209237, 363773, 388583, 2546411, 2720081, 4729049, 25827883, 33103343, 153148433, 180795181, 335762479, 1072039031, 1990929629, 2350337353, 10873538743, 13936507403, 76114771201, 141356003659, 989492025613]

約数ペア:

[(1, 989492025613), (7, 141356003659), (13, 76114771201), (71, 13936507403), (91, 10873538743), (421, 2350337353), (497, 1990929629), (923, 1072039031), (2947, 335762479), (5473, 180795181), (6461, 153148433), (29891, 33103343), (38311, 25827883), (209237, 4729049), (363773, 2720081), (388583, 2546411)]