209266988

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{12689}}^1$

素因数の和:12750

約数の個数: 48

約数和(自身を含む): 454809600

約数和(自身を除く): 245542612

約数列:

[1, 2, 4, 7, 14, 19, 28, 31, 38, 62, 76, 124, 133, 217, 266, 434, 532, 589, 868, 1178, 2356, 4123, 8246, 12689, 16492, 25378, 50756, 88823, 177646, 241091, 355292, 393359, 482182, 786718, 964364, 1573436, 1687637, 2753513, 3375274, 5507026, 6750548, 7473821, 11014052, 14947642, 29895284, 52316747, 104633494, 209266988]

約数ペア:

[(1, 209266988), (2, 104633494), (4, 52316747), (7, 29895284), (14, 14947642), (19, 11014052), (28, 7473821), (31, 6750548), (38, 5507026), (62, 3375274), (76, 2753513), (124, 1687637), (133, 1573436), (217, 964364), (266, 786718), (434, 482182), (532, 393359), (589, 355292), (868, 241091), (1178, 177646), (2356, 88823), (4123, 50756), (8246, 25378), (12689, 16492)]