71997751

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{7331}}^1$

素因数の和:7422

約数の個数: 16

約数和(自身を含む): 87280128

約数和(自身を除く): 15282377

約数列:

[1, 7, 23, 61, 161, 427, 1403, 7331, 9821, 51317, 168613, 447191, 1180291, 3130337, 10285393, 71997751]

約数ペア:

[(1, 71997751), (7, 10285393), (23, 3130337), (61, 1180291), (161, 447191), (427, 168613), (1403, 51317), (7331, 9821)]