128002028

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37781}}^1$

素因数の和:37814

約数の個数: 36

約数和(自身を含む): 281400336

約数和(自身を除く): 153398308

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 121, 154, 242, 308, 484, 847, 1694, 3388, 37781, 75562, 151124, 264467, 415591, 528934, 831182, 1057868, 1662364, 2909137, 4571501, 5818274, 9143002, 11636548, 18286004, 32000507, 64001014, 128002028]

約数ペア:

[(1, 128002028), (2, 64001014), (4, 32000507), (7, 18286004), (11, 11636548), (14, 9143002), (22, 5818274), (28, 4571501), (44, 2909137), (77, 1662364), (121, 1057868), (154, 831182), (242, 528934), (308, 415591), (484, 264467), (847, 151124), (1694, 75562), (3388, 37781)]