138565264

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{201403}}^1$

素因数の和:201454

約数の個数: 20

約数和(自身を含む): 274715056

約数和(自身を除く): 136149792

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 201403, 402806, 805612, 1611224, 3222448, 8660329, 17320658, 34641316, 69282632, 138565264]

約数ペア:

[(1, 138565264), (2, 69282632), (4, 34641316), (8, 17320658), (16, 8660329), (43, 3222448), (86, 1611224), (172, 805612), (344, 402806), (688, 201403)]