211287924

素因数分解:

$2^2\times 3^2\times {\mathrm{41}}^1\times {\mathrm{257}}^1\times {\mathrm{557}}^1$

素因数の和:865

約数の個数: 72

約数和(自身を含む): 550230408

約数和(自身を除く): 338942484

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 41, 82, 123, 164, 246, 257, 369, 492, 514, 557, 738, 771, 1028, 1114, 1476, 1542, 1671, 2228, 2313, 3084, 3342, 4626, 5013, 6684, 9252, 10026, 10537, 20052, 21074, 22837, 31611, 42148, 45674, 63222, 68511, 91348, 94833, 126444, 137022, 143149, 189666, 205533, 274044, 286298, 379332, 411066, 429447, 572596, 822132, 858894, 1288341, 1717788, 2576682, 5153364, 5869109, 11738218, 17607327, 23476436, 35214654, 52821981, 70429308, 105643962, 211287924]

約数ペア:

[(1, 211287924), (2, 105643962), (3, 70429308), (4, 52821981), (6, 35214654), (9, 23476436), (12, 17607327), (18, 11738218), (36, 5869109), (41, 5153364), (82, 2576682), (123, 1717788), (164, 1288341), (246, 858894), (257, 822132), (369, 572596), (492, 429447), (514, 411066), (557, 379332), (738, 286298), (771, 274044), (1028, 205533), (1114, 189666), (1476, 143149), (1542, 137022), (1671, 126444), (2228, 94833), (2313, 91348), (3084, 68511), (3342, 63222), (4626, 45674), (5013, 42148), (6684, 31611), (9252, 22837), (10026, 21074), (10537, 20052)]