178528506

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{32237}}^1$

素因数の和:32326

約数の個数: 32

約数和(自身を含む): 389950848

約数和(自身を除く): 211422342

約数列:

[1, 2, 3, 6, 13, 26, 39, 71, 78, 142, 213, 426, 923, 1846, 2769, 5538, 32237, 64474, 96711, 193422, 419081, 838162, 1257243, 2288827, 2514486, 4577654, 6866481, 13732962, 29754751, 59509502, 89264253, 178528506]

約数ペア:

[(1, 178528506), (2, 89264253), (3, 59509502), (6, 29754751), (13, 13732962), (26, 6866481), (39, 4577654), (71, 2514486), (78, 2288827), (142, 1257243), (213, 838162), (426, 419081), (923, 193422), (1846, 96711), (2769, 64474), (5538, 32237)]