81780842

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{1063}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 144789120

約数和(自身を除く): 63008278

約数列:

[1, 2, 11, 13, 22, 26, 143, 269, 286, 538, 1063, 2126, 2959, 3497, 5918, 6994, 11693, 13819, 23386, 27638, 38467, 76934, 152009, 285947, 304018, 571894, 3145417, 3717311, 6290834, 7434622, 40890421, 81780842]

約数ペア:

[(1, 81780842), (2, 40890421), (11, 7434622), (13, 6290834), (22, 3717311), (26, 3145417), (143, 571894), (269, 304018), (286, 285947), (538, 152009), (1063, 76934), (2126, 38467), (2959, 27638), (3497, 23386), (5918, 13819), (6994, 11693)]