87739988

素因数分解:

$2^2\times 7^2\times {\mathrm{449}}^1\times {\mathrm{997}}^1$

素因数の和:1464

約数の個数: 36

約数和(自身を含む): 179190900

約数和(自身を除く): 91450912

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 449, 898, 997, 1796, 1994, 3143, 3988, 6286, 6979, 12572, 13958, 22001, 27916, 44002, 48853, 88004, 97706, 195412, 447653, 895306, 1790612, 3133571, 6267142, 12534284, 21934997, 43869994, 87739988]

約数ペア:

[(1, 87739988), (2, 43869994), (4, 21934997), (7, 12534284), (14, 6267142), (28, 3133571), (49, 1790612), (98, 895306), (196, 447653), (449, 195412), (898, 97706), (997, 88004), (1796, 48853), (1994, 44002), (3143, 27916), (3988, 22001), (6286, 13958), (6979, 12572)]