13247564

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{271}}^1$

素因数の和:398

約数の個数: 36

約数和(自身を含む): 25829664

約数和(自身を除く): 12582100

約数列:

[1, 2, 4, 11, 22, 44, 101, 121, 202, 242, 271, 404, 484, 542, 1084, 1111, 2222, 2981, 4444, 5962, 11924, 12221, 24442, 27371, 32791, 48884, 54742, 65582, 109484, 131164, 301081, 602162, 1204324, 3311891, 6623782, 13247564]

約数ペア:

[(1, 13247564), (2, 6623782), (4, 3311891), (11, 1204324), (22, 602162), (44, 301081), (101, 131164), (121, 109484), (202, 65582), (242, 54742), (271, 48884), (404, 32791), (484, 27371), (542, 24442), (1084, 12221), (1111, 11924), (2222, 5962), (2981, 4444)]