208564745

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{887}}^1$

素因数の和:1001

約数の個数: 32

約数和(自身を含む): 272111616

約数和(自身を除く): 63546871

約数列:

[1, 5, 31, 37, 41, 155, 185, 205, 887, 1147, 1271, 1517, 4435, 5735, 6355, 7585, 27497, 32819, 36367, 47027, 137485, 164095, 181835, 235135, 1017389, 1127377, 1345579, 5086945, 5636885, 6727895, 41712949, 208564745]

約数ペア:

[(1, 208564745), (5, 41712949), (31, 6727895), (37, 5636885), (41, 5086945), (155, 1345579), (185, 1127377), (205, 1017389), (887, 235135), (1147, 181835), (1271, 164095), (1517, 137485), (4435, 47027), (5735, 36367), (6355, 32819), (7585, 27497)]