1291245263

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{401}}^1$

素因数の和:540

約数の個数: 64

約数和(自身を含む): 1778319360

約数和(自身を除く): 487074097

約数列:

[1, 7, 11, 19, 31, 71, 77, 133, 209, 217, 341, 401, 497, 589, 781, 1349, 1463, 2201, 2387, 2807, 4123, 4411, 5467, 6479, 7619, 9443, 12431, 14839, 15407, 24211, 28471, 30877, 41819, 45353, 53333, 83809, 87017, 103873, 136741, 169477, 199297, 236189, 292733, 313181, 460009, 540949, 586663, 882601, 957187, 1653323, 2192267, 2598079, 3220063, 3786643, 5950439, 6178207, 9708611, 16769419, 18186553, 41653073, 67960277, 117385933, 184463609, 1291245263]

約数ペア:

[(1, 1291245263), (7, 184463609), (11, 117385933), (19, 67960277), (31, 41653073), (71, 18186553), (77, 16769419), (133, 9708611), (209, 6178207), (217, 5950439), (341, 3786643), (401, 3220063), (497, 2598079), (589, 2192267), (781, 1653323), (1349, 957187), (1463, 882601), (2201, 586663), (2387, 540949), (2807, 460009), (4123, 313181), (4411, 292733), (5467, 236189), (6479, 199297), (7619, 169477), (9443, 136741), (12431, 103873), (14839, 87017), (15407, 83809), (24211, 53333), (28471, 45353), (30877, 41819)]