56390215

素因数分解:

$5^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:391

約数の個数: 32

約数和(自身を含む): 79511040

約数和(自身を除く): 23120825

約数列:

[1, 5, 7, 35, 67, 139, 173, 335, 469, 695, 865, 973, 1211, 2345, 4865, 6055, 9313, 11591, 24047, 46565, 57955, 65191, 81137, 120235, 168329, 325955, 405685, 841645, 1611149, 8055745, 11278043, 56390215]

約数ペア:

[(1, 56390215), (5, 11278043), (7, 8055745), (35, 1611149), (67, 841645), (139, 405685), (173, 325955), (335, 168329), (469, 120235), (695, 81137), (865, 65191), (973, 57955), (1211, 46565), (2345, 24047), (4865, 11591), (6055, 9313)]