64780495

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{5059}}^1$

素因数の和:5274

約数の個数: 16

約数和(自身を含む): 84157920

約数和(自身を除く): 19377425

約数列:

[1, 5, 13, 65, 197, 985, 2561, 5059, 12805, 25295, 65767, 328835, 996623, 4983115, 12956099, 64780495]

約数ペア:

[(1, 64780495), (5, 12956099), (13, 4983115), (65, 996623), (197, 328835), (985, 65767), (2561, 25295), (5059, 12805)]