636681353

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1$

素因数の和:354

約数の個数: 48

約数和(自身を含む): 832094208

約数和(自身を除く): 195412855

約数列:

[1, 7, 11, 49, 71, 77, 127, 131, 497, 539, 781, 889, 917, 1397, 1441, 3479, 5467, 6223, 6419, 9017, 9301, 9779, 10087, 16637, 38269, 63119, 65107, 68453, 70609, 99187, 102311, 116459, 183007, 441833, 455749, 694309, 716177, 815213, 1181227, 1281049, 4860163, 5013239, 8268589, 8967343, 12993497, 57880123, 90954479, 636681353]

約数ペア:

[(1, 636681353), (7, 90954479), (11, 57880123), (49, 12993497), (71, 8967343), (77, 8268589), (127, 5013239), (131, 4860163), (497, 1281049), (539, 1181227), (781, 815213), (889, 716177), (917, 694309), (1397, 455749), (1441, 441833), (3479, 183007), (5467, 116459), (6223, 102311), (6419, 99187), (9017, 70609), (9301, 68453), (9779, 65107), (10087, 63119), (16637, 38269)]