218156922

素因数分解:

$2^1\times 3^3\times {\mathrm{263}}^1\times {\mathrm{15361}}^1$

素因数の和:15635

約数の個数: 32

約数和(自身を含む): 486668160

約数和(自身を除く): 268511238

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 263, 526, 789, 1578, 2367, 4734, 7101, 14202, 15361, 30722, 46083, 92166, 138249, 276498, 414747, 829494, 4039943, 8079886, 12119829, 24239658, 36359487, 72718974, 109078461, 218156922]

約数ペア:

[(1, 218156922), (2, 109078461), (3, 72718974), (6, 36359487), (9, 24239658), (18, 12119829), (27, 8079886), (54, 4039943), (263, 829494), (526, 414747), (789, 276498), (1578, 138249), (2367, 92166), (4734, 46083), (7101, 30722), (14202, 15361)]