208728868

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{13121}}^1$

素因数の和:13263

約数の個数: 24

約数和(自身を含む): 378071064

約数和(自身を除く): 169342196

約数列:

[1, 2, 4, 41, 82, 97, 164, 194, 388, 3977, 7954, 13121, 15908, 26242, 52484, 537961, 1075922, 1272737, 2151844, 2545474, 5090948, 52182217, 104364434, 208728868]

約数ペア:

[(1, 208728868), (2, 104364434), (4, 52182217), (41, 5090948), (82, 2545474), (97, 2151844), (164, 1272737), (194, 1075922), (388, 537961), (3977, 52484), (7954, 26242), (13121, 15908)]