2187438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{23}}^1\times {\mathrm{131}}^1$

素因数の和:181

約数の個数: 48

約数和(自身を含む): 5056128

約数和(自身を除く): 2868690

約数列:

[1, 2, 3, 6, 11, 22, 23, 33, 46, 66, 69, 121, 131, 138, 242, 253, 262, 363, 393, 506, 726, 759, 786, 1441, 1518, 2783, 2882, 3013, 4323, 5566, 6026, 8349, 8646, 9039, 15851, 16698, 18078, 31702, 33143, 47553, 66286, 95106, 99429, 198858, 364573, 729146, 1093719, 2187438]

約数ペア:

[(1, 2187438), (2, 1093719), (3, 729146), (6, 364573), (11, 198858), (22, 99429), (23, 95106), (33, 66286), (46, 47553), (66, 33143), (69, 31702), (121, 18078), (131, 16698), (138, 15851), (242, 9039), (253, 8646), (262, 8349), (363, 6026), (393, 5566), (506, 4323), (726, 3013), (759, 2882), (786, 2783), (1441, 1518)]