28012413

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{167}}^1$

素因数の和:234

約数の個数: 64

約数和(自身を含む): 48771072

約数和(自身を除く): 20758659

約数列:

[1, 3, 11, 13, 17, 23, 33, 39, 51, 69, 143, 167, 187, 221, 253, 299, 391, 429, 501, 561, 663, 759, 897, 1173, 1837, 2171, 2431, 2839, 3289, 3841, 4301, 5083, 5511, 6513, 7293, 8517, 9867, 11523, 12903, 15249, 23881, 31229, 36907, 42251, 49933, 55913, 65297, 71643, 93687, 110721, 126753, 149799, 167739, 195891, 405977, 549263, 718267, 848861, 1217931, 1647789, 2154801, 2546583, 9337471, 28012413]

約数ペア:

[(1, 28012413), (3, 9337471), (11, 2546583), (13, 2154801), (17, 1647789), (23, 1217931), (33, 848861), (39, 718267), (51, 549263), (69, 405977), (143, 195891), (167, 167739), (187, 149799), (221, 126753), (253, 110721), (299, 93687), (391, 71643), (429, 65297), (501, 55913), (561, 49933), (663, 42251), (759, 36907), (897, 31229), (1173, 23881), (1837, 15249), (2171, 12903), (2431, 11523), (2839, 9867), (3289, 8517), (3841, 7293), (4301, 6513), (5083, 5511)]