161387212

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^2\times {\mathrm{1549}}^1$

素因数の和:1682

約数の個数: 36

約数和(自身を含む): 328364400

約数和(自身を除く): 166977188

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1549, 1708, 3098, 3721, 6196, 7442, 10843, 14884, 21686, 26047, 43372, 52094, 94489, 104188, 188978, 377956, 661423, 1322846, 2645692, 5763829, 11527658, 23055316, 40346803, 80693606, 161387212]

約数ペア:

[(1, 161387212), (2, 80693606), (4, 40346803), (7, 23055316), (14, 11527658), (28, 5763829), (61, 2645692), (122, 1322846), (244, 661423), (427, 377956), (854, 188978), (1549, 104188), (1708, 94489), (3098, 52094), (3721, 43372), (6196, 26047), (7442, 21686), (10843, 14884)]