680335774

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{252163}}^1$

素因数の和:252255

約数の個数: 16

約数和(自身を含む): 1089348480

約数和(自身を除く): 409012706

約数列:

[1, 2, 19, 38, 71, 142, 1349, 2698, 252163, 504326, 4791097, 9582194, 17903573, 35807146, 340167887, 680335774]

約数ペア:

[(1, 680335774), (2, 340167887), (19, 35807146), (38, 17903573), (71, 9582194), (142, 4791097), (1349, 504326), (2698, 252163)]