209510834

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{13681}}^1$

素因数の和:13746

約数の個数: 32

約数和(自身を含む): 367772160

約数和(自身を除く): 158261326

約数列:

[1, 2, 13, 19, 26, 31, 38, 62, 247, 403, 494, 589, 806, 1178, 7657, 13681, 15314, 27362, 177853, 259939, 355706, 424111, 519878, 848222, 3379207, 5513443, 6758414, 8058109, 11026886, 16116218, 104755417, 209510834]

約数ペア:

[(1, 209510834), (2, 104755417), (13, 16116218), (19, 11026886), (26, 8058109), (31, 6758414), (38, 5513443), (62, 3379207), (247, 848222), (403, 519878), (494, 424111), (589, 355706), (806, 259939), (1178, 177853), (7657, 27362), (13681, 15314)]