28775670

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{12457}}^1$

素因数の和:12485

約数の個数: 64

約数和(自身を含む): 86109696

約数和(自身を除く): 57334026

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 14, 15, 21, 22, 30, 33, 35, 42, 55, 66, 70, 77, 105, 110, 154, 165, 210, 231, 330, 385, 462, 770, 1155, 2310, 12457, 24914, 37371, 62285, 74742, 87199, 124570, 137027, 174398, 186855, 261597, 274054, 373710, 411081, 435995, 523194, 685135, 822162, 871990, 959189, 1307985, 1370270, 1918378, 2055405, 2615970, 2877567, 4110810, 4795945, 5755134, 9591890, 14387835, 28775670]

約数ペア:

[(1, 28775670), (2, 14387835), (3, 9591890), (5, 5755134), (6, 4795945), (7, 4110810), (10, 2877567), (11, 2615970), (14, 2055405), (15, 1918378), (21, 1370270), (22, 1307985), (30, 959189), (33, 871990), (35, 822162), (42, 685135), (55, 523194), (66, 435995), (70, 411081), (77, 373710), (105, 274054), (110, 261597), (154, 186855), (165, 174398), (210, 137027), (231, 124570), (330, 87199), (385, 74742), (462, 62285), (770, 37371), (1155, 24914), (2310, 12457)]