28258356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{353}}^1\times {\mathrm{953}}^1$

素因数の和:1320

約数の個数: 48

約数和(自身を含む): 75648384

約数和(自身を除く): 47390028

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 353, 706, 953, 1059, 1412, 1906, 2118, 2471, 2859, 3812, 4236, 4942, 5718, 6671, 7413, 9884, 11436, 13342, 14826, 20013, 26684, 29652, 40026, 80052, 336409, 672818, 1009227, 1345636, 2018454, 2354863, 4036908, 4709726, 7064589, 9419452, 14129178, 28258356]

約数ペア:

[(1, 28258356), (2, 14129178), (3, 9419452), (4, 7064589), (6, 4709726), (7, 4036908), (12, 2354863), (14, 2018454), (21, 1345636), (28, 1009227), (42, 672818), (84, 336409), (353, 80052), (706, 40026), (953, 29652), (1059, 26684), (1412, 20013), (1906, 14826), (2118, 13342), (2471, 11436), (2859, 9884), (3812, 7413), (4236, 6671), (4942, 5718)]