28120316

素因数分解:

$2^2\times 7^2\times {\mathrm{53}}^1\times {\mathrm{2707}}^1$

素因数の和:2778

約数の個数: 36

約数和(自身を含む): 58346568

約数和(自身を除く): 30226252

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 371, 742, 1484, 2597, 2707, 5194, 5414, 10388, 10828, 18949, 37898, 75796, 132643, 143471, 265286, 286942, 530572, 573884, 1004297, 2008594, 4017188, 7030079, 14060158, 28120316]

約数ペア:

[(1, 28120316), (2, 14060158), (4, 7030079), (7, 4017188), (14, 2008594), (28, 1004297), (49, 573884), (53, 530572), (98, 286942), (106, 265286), (196, 143471), (212, 132643), (371, 75796), (742, 37898), (1484, 18949), (2597, 10828), (2707, 10388), (5194, 5414)]