39978932

素因数分解:

$2^2\times 7^1\times {\mathrm{409}}^1\times {\mathrm{3491}}^1$

素因数の和:3911

約数の個数: 24

約数和(自身を含む): 80176320

約数和(自身を除く): 40197388

約数列:

[1, 2, 4, 7, 14, 28, 409, 818, 1636, 2863, 3491, 5726, 6982, 11452, 13964, 24437, 48874, 97748, 1427819, 2855638, 5711276, 9994733, 19989466, 39978932]

約数ペア:

[(1, 39978932), (2, 19989466), (4, 9994733), (7, 5711276), (14, 2855638), (28, 1427819), (409, 97748), (818, 48874), (1636, 24437), (2863, 13964), (3491, 11452), (5726, 6982)]