12966725

素因数分解:

$5^2\times {\mathrm{59}}^2\times {\mathrm{149}}^1$

素因数の和:277

約数の個数: 18

約数和(自身を含む): 16465650

約数和(自身を除く): 3498925

約数列:

[1, 5, 25, 59, 149, 295, 745, 1475, 3481, 3725, 8791, 17405, 43955, 87025, 219775, 518669, 2593345, 12966725]

約数ペア:

[(1, 12966725), (5, 2593345), (25, 518669), (59, 219775), (149, 87025), (295, 43955), (745, 17405), (1475, 8791), (3481, 3725)]