206519885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{288839}}^1$

素因数の和:288868

約数の個数: 16

約数和(自身を含む): 291150720

約数和(自身を除く): 84630835

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 288839, 1444195, 3177229, 3754907, 15886145, 18774535, 41303977, 206519885]

約数ペア:

[(1, 206519885), (5, 41303977), (11, 18774535), (13, 15886145), (55, 3754907), (65, 3177229), (143, 1444195), (715, 288839)]