389620712

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{288181}}^1$

素因数の和:288213

約数の個数: 24

約数和(自身を含む): 791059590

約数和(自身を除く): 401438878

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 288181, 576362, 1152724, 2305448, 3746353, 7492706, 14985412, 29970824, 48702589, 97405178, 194810356, 389620712]

約数ペア:

[(1, 389620712), (2, 194810356), (4, 97405178), (8, 48702589), (13, 29970824), (26, 14985412), (52, 7492706), (104, 3746353), (169, 2305448), (338, 1152724), (676, 576362), (1352, 288181)]