261996516

素因数分解:

$2^2\times 3^2\times {\mathrm{7277681}}^1$

素因数の和:7277691

約数の個数: 18

約数和(自身を含む): 662269062

約数和(自身を除く): 400272546

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 7277681, 14555362, 21833043, 29110724, 43666086, 65499129, 87332172, 130998258, 261996516]

約数ペア:

[(1, 261996516), (2, 130998258), (3, 87332172), (4, 65499129), (6, 43666086), (9, 29110724), (12, 21833043), (18, 14555362), (36, 7277681)]