253011590

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{149711}}^1$

素因数の和:149744

約数の個数: 24

約数和(自身を含む): 493151328

約数和(自身を除く): 240139738

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 149711, 299422, 748555, 1497110, 1946243, 3892486, 9731215, 19462430, 25301159, 50602318, 126505795, 253011590]

約数ペア:

[(1, 253011590), (2, 126505795), (5, 50602318), (10, 25301159), (13, 19462430), (26, 9731215), (65, 3892486), (130, 1946243), (169, 1497110), (338, 748555), (845, 299422), (1690, 149711)]