2563981956543

素因数分解:

$3^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{23671}}^1\times {\mathrm{15583}}^1$

素因数の和:39595

約数の個数: 32

約数和(自身を含む): 3919240855552

約数和(自身を除く): 1355258899009

約数列:

[1, 3, 7, 21, 331, 993, 2317, 6951, 15583, 23671, 46749, 71013, 109081, 165697, 327243, 497091, 5157973, 7835101, 15473919, 23505303, 36105811, 54845707, 108317433, 164537121, 368865193, 1106595579, 2582056351, 7746169053, 122094378883, 366283136649, 854660652181, 2563981956543]

約数ペア:

[(1, 2563981956543), (3, 854660652181), (7, 366283136649), (21, 122094378883), (331, 7746169053), (993, 2582056351), (2317, 1106595579), (6951, 368865193), (15583, 164537121), (23671, 108317433), (46749, 54845707), (71013, 36105811), (109081, 23505303), (165697, 15473919), (327243, 7835101), (497091, 5157973)]