209531396788

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1\times {\mathrm{67801}}^1$

素因数の和:68025

約数の個数: 96

約数和(自身を含む): 455933192960

約数和(自身を除く): 246401796172

約数列:

[1, 2, 4, 7, 14, 19, 28, 37, 38, 74, 76, 133, 148, 157, 259, 266, 314, 518, 532, 628, 703, 1036, 1099, 1406, 2198, 2812, 2983, 4396, 4921, 5809, 5966, 9842, 11618, 11932, 19684, 20881, 23236, 40663, 41762, 67801, 81326, 83524, 110371, 135602, 162652, 220742, 271204, 441484, 474607, 772597, 949214, 1288219, 1545194, 1898428, 2508637, 2576438, 3090388, 5017274, 5152876, 9017533, 10034548, 10644757, 17560459, 18035066, 21289514, 35120918, 36070132, 42579028, 47664103, 70241836, 74513299, 95328206, 149026598, 190656412, 202250383, 298053196, 333648721, 393856009, 404500766, 667297442, 787712018, 809001532, 1334594884, 1415752681, 1575424036, 2756992063, 2831505362, 5513984126, 5663010724, 7483264171, 11027968252, 14966528342, 29933056684, 52382849197, 104765698394, 209531396788]

約数ペア:

[(1, 209531396788), (2, 104765698394), (4, 52382849197), (7, 29933056684), (14, 14966528342), (19, 11027968252), (28, 7483264171), (37, 5663010724), (38, 5513984126), (74, 2831505362), (76, 2756992063), (133, 1575424036), (148, 1415752681), (157, 1334594884), (259, 809001532), (266, 787712018), (314, 667297442), (518, 404500766), (532, 393856009), (628, 333648721), (703, 298053196), (1036, 202250383), (1099, 190656412), (1406, 149026598), (2198, 95328206), (2812, 74513299), (2983, 70241836), (4396, 47664103), (4921, 42579028), (5809, 36070132), (5966, 35120918), (9842, 21289514), (11618, 18035066), (11932, 17560459), (19684, 10644757), (20881, 10034548), (23236, 9017533), (40663, 5152876), (41762, 5017274), (67801, 3090388), (81326, 2576438), (83524, 2508637), (110371, 1898428), (135602, 1545194), (162652, 1288219), (220742, 949214), (271204, 772597), (441484, 474607)]