66563903

素因数分解:

$7^2\times {\mathrm{29}}^1\times {\mathrm{139}}^1\times {\mathrm{337}}^1$

素因数の和:519

約数の個数: 24

約数和(自身を含む): 80917200

約数和(自身を除く): 14353297

約数列:

[1, 7, 29, 49, 139, 203, 337, 973, 1421, 2359, 4031, 6811, 9773, 16513, 28217, 46843, 68411, 197519, 327901, 478877, 1358447, 2295307, 9509129, 66563903]

約数ペア:

[(1, 66563903), (7, 9509129), (29, 2295307), (49, 1358447), (139, 478877), (203, 327901), (337, 197519), (973, 68411), (1421, 46843), (2359, 28217), (4031, 16513), (6811, 9773)]