31300087

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{421}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 41592320

約数和(自身を除く): 10292233

約数列:

[1, 7, 13, 19, 43, 91, 133, 247, 301, 421, 559, 817, 1729, 2947, 3913, 5473, 5719, 7999, 10621, 18103, 38311, 55993, 74347, 103987, 126721, 235339, 343957, 727909, 1647373, 2407699, 4471441, 31300087]

約数ペア:

[(1, 31300087), (7, 4471441), (13, 2407699), (19, 1647373), (43, 727909), (91, 343957), (133, 235339), (247, 126721), (301, 103987), (421, 74347), (559, 55993), (817, 38311), (1729, 18103), (2947, 10621), (3913, 7999), (5473, 5719)]