297243284

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{439709}}^1$

素因数の和:439739

約数の個数: 18

約数和(自身を含む): 563268510

約数和(自身を除く): 266025226

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 439709, 879418, 1758836, 5716217, 11432434, 22864868, 74310821, 148621642, 297243284]

約数ペア:

[(1, 297243284), (2, 148621642), (4, 74310821), (13, 22864868), (26, 11432434), (52, 5716217), (169, 1758836), (338, 879418), (676, 439709)]