77638412

素因数分解:

$2^2\times {\mathrm{97}}^1\times {\mathrm{401}}^1\times {\mathrm{499}}^1$

素因数の和:1001

約数の個数: 24

約数和(自身を含む): 137886000

約数和(自身を除く): 60247588

約数列:

[1, 2, 4, 97, 194, 388, 401, 499, 802, 998, 1604, 1996, 38897, 48403, 77794, 96806, 155588, 193612, 200099, 400198, 800396, 19409603, 38819206, 77638412]

約数ペア:

[(1, 77638412), (2, 38819206), (4, 19409603), (97, 800396), (194, 400198), (388, 200099), (401, 193612), (499, 155588), (802, 96806), (998, 77794), (1604, 48403), (1996, 38897)]