61903919

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 48

約数和(自身を含む): 86904576

約数和(自身を除く): 25000657

約数列:

[1, 7, 11, 17, 19, 77, 119, 131, 133, 187, 209, 323, 361, 917, 1309, 1441, 1463, 2227, 2261, 2489, 2527, 3553, 3971, 6137, 10087, 15589, 17423, 24497, 24871, 27379, 27797, 42313, 42959, 47291, 67507, 171479, 191653, 296191, 331037, 465443, 472549, 520201, 803947, 3258101, 3641407, 5627629, 8843417, 61903919]

約数ペア:

[(1, 61903919), (7, 8843417), (11, 5627629), (17, 3641407), (19, 3258101), (77, 803947), (119, 520201), (131, 472549), (133, 465443), (187, 331037), (209, 296191), (323, 191653), (361, 171479), (917, 67507), (1309, 47291), (1441, 42959), (1463, 42313), (2227, 27797), (2261, 27379), (2489, 24871), (2527, 24497), (3553, 17423), (3971, 15589), (6137, 10087)]