219715015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{277}}^1\times {\mathrm{12203}}^1$

素因数の和:12498

約数の個数: 16

約数和(自身を含む): 284987808

約数和(自身を除く): 65272793

約数列:

[1, 5, 13, 65, 277, 1385, 3601, 12203, 18005, 61015, 158639, 793195, 3380231, 16901155, 43943003, 219715015]

約数ペア:

[(1, 219715015), (5, 43943003), (13, 16901155), (65, 3380231), (277, 793195), (1385, 158639), (3601, 61015), (12203, 18005)]