640538082

素因数分解:

$2^1\times 3^2\times {\mathrm{1667}}^1\times {\mathrm{21347}}^1$

素因数の和:23022

約数の個数: 24

約数和(自身を含む): 1388730096

約数和(自身を除く): 748192014

約数列:

[1, 2, 3, 6, 9, 18, 1667, 3334, 5001, 10002, 15003, 21347, 30006, 42694, 64041, 128082, 192123, 384246, 35585449, 71170898, 106756347, 213512694, 320269041, 640538082]

約数ペア:

[(1, 640538082), (2, 320269041), (3, 213512694), (6, 106756347), (9, 71170898), (18, 35585449), (1667, 384246), (3334, 192123), (5001, 128082), (10002, 64041), (15003, 42694), (21347, 30006)]