203428687

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{659}}^1$

素因数の和:907

約数の個数: 32

約数和(自身を含む): 268646400

約数和(自身を除く): 65217713

約数列:

[1, 7, 11, 19, 77, 133, 209, 211, 659, 1463, 1477, 2321, 4009, 4613, 7249, 12521, 16247, 28063, 44099, 50743, 87647, 137731, 139049, 308693, 964117, 973343, 1529539, 2641931, 10706773, 18493517, 29061241, 203428687]

約数ペア:

[(1, 203428687), (7, 29061241), (11, 18493517), (19, 10706773), (77, 2641931), (133, 1529539), (209, 973343), (211, 964117), (659, 308693), (1463, 139049), (1477, 137731), (2321, 87647), (4009, 50743), (4613, 44099), (7249, 28063), (12521, 16247)]