28567816

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{251}}^1\times {\mathrm{347}}^1$

素因数の和:645

約数の個数: 32

約数和(自身を含む): 55248480

約数和(自身を除く): 26680664

約数列:

[1, 2, 4, 8, 41, 82, 164, 251, 328, 347, 502, 694, 1004, 1388, 2008, 2776, 10291, 14227, 20582, 28454, 41164, 56908, 82328, 87097, 113816, 174194, 348388, 696776, 3570977, 7141954, 14283908, 28567816]

約数ペア:

[(1, 28567816), (2, 14283908), (4, 7141954), (8, 3570977), (41, 696776), (82, 348388), (164, 174194), (251, 113816), (328, 87097), (347, 82328), (502, 56908), (694, 41164), (1004, 28454), (1388, 20582), (2008, 14227), (2776, 10291)]