201964646

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{18451}}^1$

素因数の和:18887

約数の個数: 16

約数和(自身を含む): 327043248

約数和(自身を除く): 125078602

約数列:

[1, 2, 13, 26, 421, 842, 5473, 10946, 18451, 36902, 239863, 479726, 7767871, 15535742, 100982323, 201964646]

約数ペア:

[(1, 201964646), (2, 100982323), (13, 15535742), (26, 7767871), (421, 479726), (842, 239863), (5473, 36902), (10946, 18451)]