261644858

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{21317}}^1$

素因数の和:21374

約数の個数: 24

約数和(自身を含む): 438596532

約数和(自身を除く): 176951674

約数列:

[1, 2, 17, 19, 34, 38, 323, 361, 646, 722, 6137, 12274, 21317, 42634, 362389, 405023, 724778, 810046, 6885391, 7695437, 13770782, 15390874, 130822429, 261644858]

約数ペア:

[(1, 261644858), (2, 130822429), (17, 15390874), (19, 13770782), (34, 7695437), (38, 6885391), (323, 810046), (361, 724778), (646, 405023), (722, 362389), (6137, 42634), (12274, 21317)]