139153070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{1987901}}^1$

素因数の和:1987915

約数の個数: 16

約数和(自身を含む): 286257888

約数和(自身を除く): 147104818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 1987901, 3975802, 9939505, 13915307, 19879010, 27830614, 69576535, 139153070]

約数ペア:

[(1, 139153070), (2, 69576535), (5, 27830614), (7, 19879010), (10, 13915307), (14, 9939505), (35, 3975802), (70, 1987901)]