68838539

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{223}}^1$

素因数の和:471

約数の個数: 32

約数和(自身を含む): 91176960

約数和(自身を除く): 22338421

約数列:

[1, 7, 11, 19, 77, 133, 209, 211, 223, 1463, 1477, 1561, 2321, 2453, 4009, 4237, 16247, 17171, 28063, 29659, 44099, 46607, 47053, 308693, 326249, 329371, 517583, 894007, 3623081, 6258049, 9834077, 68838539]

約数ペア:

[(1, 68838539), (7, 9834077), (11, 6258049), (19, 3623081), (77, 894007), (133, 517583), (209, 329371), (211, 326249), (223, 308693), (1463, 47053), (1477, 46607), (1561, 44099), (2321, 29659), (2453, 28063), (4009, 17171), (4237, 16247)]