219614525

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{521}}^1\times {\mathrm{1297}}^1$

素因数の和:1841

約数の個数: 24

約数和(自身を含む): 294059304

約数和(自身を除く): 74444779

約数列:

[1, 5, 13, 25, 65, 325, 521, 1297, 2605, 6485, 6773, 13025, 16861, 32425, 33865, 84305, 169325, 421525, 675737, 3378685, 8784581, 16893425, 43922905, 219614525]

約数ペア:

[(1, 219614525), (5, 43922905), (13, 16893425), (25, 8784581), (65, 3378685), (325, 675737), (521, 421525), (1297, 169325), (2605, 84305), (6485, 33865), (6773, 32425), (13025, 16861)]