668838532

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{63313}}^1$

素因数の和:63475

約数の個数: 24

約数和(自身を含む): 1240954400

約数和(自身を除く): 572115868

約数列:

[1, 2, 4, 19, 38, 76, 139, 278, 556, 2641, 5282, 10564, 63313, 126626, 253252, 1202947, 2405894, 4811788, 8800507, 17601014, 35202028, 167209633, 334419266, 668838532]

約数ペア:

[(1, 668838532), (2, 334419266), (4, 167209633), (19, 35202028), (38, 17601014), (76, 8800507), (139, 4811788), (278, 2405894), (556, 1202947), (2641, 253252), (5282, 126626), (10564, 63313)]