199985578

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{173}}^2\times {\mathrm{257}}^1$

素因数の和:618

約数の個数: 24

約数和(自身を含む): 326196108

約数和(自身を除く): 126210530

約数列:

[1, 2, 13, 26, 173, 257, 346, 514, 2249, 3341, 4498, 6682, 29929, 44461, 59858, 88922, 389077, 577993, 778154, 1155986, 7691753, 15383506, 99992789, 199985578]

約数ペア:

[(1, 199985578), (2, 99992789), (13, 15383506), (26, 7691753), (173, 1155986), (257, 778154), (346, 577993), (514, 389077), (2249, 88922), (3341, 59858), (4498, 44461), (6682, 29929)]