25912018

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1$

素因数の和:450

約数の個数: 32

約数和(自身を含む): 43949952

約数和(自身を除く): 18037934

約数列:

[1, 2, 11, 22, 53, 71, 106, 142, 313, 583, 626, 781, 1166, 1562, 3443, 3763, 6886, 7526, 16589, 22223, 33178, 41393, 44446, 82786, 182479, 244453, 364958, 488906, 1177819, 2355638, 12956009, 25912018]

約数ペア:

[(1, 25912018), (2, 12956009), (11, 2355638), (22, 1177819), (53, 488906), (71, 364958), (106, 244453), (142, 182479), (313, 82786), (583, 44446), (626, 41393), (781, 33178), (1166, 22223), (1562, 16589), (3443, 7526), (3763, 6886)]