1261891638707

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1\times {\mathrm{417953}}^1$

素因数の和:418235

約数の個数: 32

約数和(自身を含む): 1516671475200

約数和(自身を除く): 254779836493

約数列:

[1, 7, 29, 107, 139, 203, 749, 973, 3103, 4031, 14873, 21721, 28217, 104111, 417953, 431317, 2925671, 3019219, 12120637, 44720971, 58095467, 84844459, 313046797, 406668269, 1296908159, 1684768543, 6216214969, 9078357113, 11793379801, 43513504783, 180270234101, 1261891638707]

約数ペア:

[(1, 1261891638707), (7, 180270234101), (29, 43513504783), (107, 11793379801), (139, 9078357113), (203, 6216214969), (749, 1684768543), (973, 1296908159), (3103, 406668269), (4031, 313046797), (14873, 84844459), (21721, 58095467), (28217, 44720971), (104111, 12120637), (417953, 3019219), (431317, 2925671)]