8004008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{257}}^1$

素因数の和:509

約数の個数: 32

約数和(自身を含む): 16021800

約数和(自身を除く): 8017792

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 229, 257, 458, 514, 916, 1028, 1832, 2056, 3893, 4369, 7786, 8738, 15572, 17476, 31144, 34952, 58853, 117706, 235412, 470824, 1000501, 2001002, 4002004, 8004008]

約数ペア:

[(1, 8004008), (2, 4002004), (4, 2001002), (8, 1000501), (17, 470824), (34, 235412), (68, 117706), (136, 58853), (229, 34952), (257, 31144), (458, 17476), (514, 15572), (916, 8738), (1028, 7786), (1832, 4369), (2056, 3893)]